Lindholm, Richard W.
Public finance and fiscal policy : an analysis of government spending, revenue, and debt
Pitman, 1950
 Buku Teks
Restoring public debt sustainability : the role of independent fiscal institutions
edited by George Kopits
Oxford University Press, 2013
 Buku Teks SO
Securing freedom in the global commons
Edited by Scott Jasper
Stanford Security Studies, 2010
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Lee, Jyh-an
Nonprofit organizations and the intellectual commons
Edward Elgar, 2012
 Buku Teks SO
Philosophy and tragedy
edited by Miguel de Beistegui, Simon Sparks
Routledge, 2000
 Buku Teks SO