[7]H. Siekmann，in：M. Sachs （Hrsg. ）Grundgesetz，Kommentar，3. Aufl. ，2003，VorArt. 104a，Rdnr. 126.
[8]H. W. Arndt and H. Jenzen，Grundguge des Allgemeinen Steuer-und Abgabenrechts，2. Aufl. ，2005，S. 58.
[9]B，Elsner and M. Kaltenborn，Sonderabgaben im Steuerrecht，JA2005，S. 824.
[10]James M. Buchanan，“The Economics of Earmarked Taxes”，The Journal of Political Economy，Vol. 71，Oct. 1963.
[11]JamesM. Buchanan and Geoffrey Brennan，“Tax Instruments as Constraints on the Disposition of Public Revenues”，Journal of Public Economics，1978.9.
[12]James M. Buchanan，“The Constitutional Economics of Earmarking”，In Charging for Government：User Charges and Earmarked Taxes in Principle and Practice，edited by Richard E. Wagner，New York：Routledge，1991.
[13]Alice M. Rivlin，“The Continuing Search for a Popular Tax”，American Economic Review，1989，792.
[14]Margaret Wilkinson，“Paying for Public Spending：Is There a Role for Earmarked Taxes？”，Fiscal Studies，1994，154，.
[15]Vance Q. Land and Majeed H. Alsikafi，“A Lottery''''s Impact on Instructional and Noninstructional Expenditures and Unrestricted Revenues for Education”，Journal of Education Finance，1999，252.
[16]Bingyuang Hsiung，“A Note on Earmarked Taxes”，Public Finance Review，2001.29.
[17]Joel Michael，“Earmarking State Tax Revenues”，Policy Brief of Research Department Minnesota House of Representatives，July 2012.
[18]Susannah Camic Tahk，“Public Choice Theory and Earmarked Taxes”，Tax Law Review，Summer 2015.
[19]Calvin Blackwell et al. ，“Local Government Compliance with Earmarked Tax Regulation”，Public Finance Review，2006：34.
[20]Robert Carling，“Tax Earmarking is it Good Practice？”，Perspectives on Tax Reform （12），in CIS Policy Monograph of Australia.
[21]Jeremy Jay Jackson，“The Political Economics of Earmarked Taxation”，PhD thesis of the Washington University Department of Economics，August 2008.
[22]Rebecca M. Kysar，“Listening to Congress：Earmark Rules and Statutory Interpretation”，94 Cornell L. Rev. 519 （2009）.
[23]J. Campbell，“An Institutional Analysis of Fiscal Reform in Postcommunist Europe”，in J. Campbell and O. K. Pedersen （eds. ），Legacies of Change，New York：Aldine De Gruyter，1996.
[24]Monika Jachmann，“Sonderabgaben als Staatliche Einnahmequelle im Steuerstaat”，StuW4\/1997.
[25]Hans D. Jarass，Verfassungsrechtliche Grenzen fur die Erhebung nichtsteuerlicher，Dov 1989，S. 1015.
[26]M. H. Granof，Government and Not-for-profit Accounting：Concepts and Practices，2th Edition，John Wiley & Sons，Inc. 2002.