^Long, Roderick T. (1998). "Towards a Libertarian Theory of Class". Social Philosophy and Policy. 15 (2): 303–349 (online: "Part 1", "Part 2").
^Becker, Lawrence C. ; Becker, Charlotte B. (2001). Encyclopedia of Ethics: P–W. 3. Taylor & Francis. p. 1562.
^Paul, Ellen F. (2007). Liberalism: Old and New. Cambridge: Cambridge University Press. p. 187.
^Christiano, Thomas; John P. Christman (2009). Contemporary Debates in Political Philosophy. "Individualism and Libertarian Rights". Malden, Massachusetts: Wiley-Blackwell. p. 121 June 12, 2020 لە وەیبەک مەشین، ئەرشیڤ کراوە..
^Vallentyne، Peter (March 3, 2009). «Libertarianism». لە Zalta، Edward N. (ed.). Stanford Encyclopedia of Philosophy (چاپی Spring 2009). Stanford, California: Stanford University. لە March 5, 2010 ھێنراوە. {{cite encyclopedia}}: نرخەکانی ڕێکەوت بپشکنە لە: |access-date= و |date= (یارمەتی)
^Bevir, Mark (2010). Encyclopedia of Political Theory. Thousand Oaks, California: Sage Publications; Cato Institute. p. 811.