Nolan, W. A. (1951). Why people go Communist. Queen's Work.
Lua i Stíl Chicago (17ú heag.)Nolan, William A. Why People Go Communist. St. Louis, Mo.: Queen's Work, 1951.
Lua MLA (8ú heag.)Nolan, William A. Why People Go Communist. Queen's Work, 1951.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.