Apps, P. (1981). A theory of inequality and taxation. Cambridge University Press.
Lua i Stíl Chicago (17ú heag.)Apps, Patricia. A Theory of Inequality and Taxation. Cambridge: Cambridge University Press, 1981.
Lua MLA (9ú heag.)Apps, Patricia. A Theory of Inequality and Taxation. Cambridge University Press, 1981.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.