Lua APA (7ú heag.)

Benn, S. I. (1980). A theory of freedom. Univ. Pr..

Lua i Stíl Chicago (17ú heag.)

Benn, S.I.(Stanley Isaac). A Theory of Freedom. Cambridge: Univ. Pr., 1980.

Lua MLA (9ú heag.)

Benn, S.I.(Stanley Isaac). A Theory of Freedom. Univ. Pr., 1980.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.