Sheen, F. J. (1937). Communism answers questions of a communist. The Paulist press.
Lua i Stíl Chicago (17ú heag.)Sheen, Fulton J. Communism Answers Questions of a Communist. New York: The Paulist press, 1937.
Lua MLA (8ú heag.)Sheen, Fulton J. Communism Answers Questions of a Communist. The Paulist press, 1937.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.