Spellman, F. 1. H. (1946). Communism is Un-American. New York.
Lua i Stíl Chicago (17ú heag.)Spellman, Francis 1889-1972; Hoover. Communism Is Un-American. New York, 1946.
Lua MLA (8ú heag.)Spellman, Francis 1889-1972; Hoover. Communism Is Un-American. New York, 1946.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.