Lua APA (7ú heag.)
ebrary, Inc, & Ball, T. (1977). Political theory and praxis: New perspectives. University of Minnesota Press.
Lua i Stíl Chicago (17ú heag.)
ebrary, Inc, agus Terence Ball. Political Theory and Praxis: New Perspectives. Minneapolis: University of Minnesota Press, 1977.
Lua MLA (9ú heag.)
ebrary, Inc, agus Terence Ball. Political Theory and Praxis: New Perspectives. University of Minnesota Press, 1977.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.