Fernbach, D. (1981). The spiral path: A gay contribution to human survival <eng.>. Gay Men's Press und Alyson Publications.
Lua i Stíl Chicago (17ú heag.)Fernbach, David. The Spiral Path: A Gay Contribution to Human Survival <eng.>. London und Boston: Gay Men's Press und Alyson Publications, 1981.
Lua MLA (8ú heag.)Fernbach, David. The Spiral Path: A Gay Contribution to Human Survival <eng.>. Gay Men's Press und Alyson Publications, 1981.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.