WINKWORTH, D. (1974). A critical look at religion. Regency press.
Lua i Stíl Chicago (17ú heag.)WINKWORTH, D. E. A Critical Look at Religion. Regency press, 1974.
Lua MLA (9ú heag.)WINKWORTH, D. E. A Critical Look at Religion. Regency press, 1974.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.