West, D. J. (1968). Homosexuality: Donald J. West (2nd revised edition.). Penguin.
Lua i Stíl Chicago (17ú heag.)West, D. J. Homosexuality: Donald J. West. 2nd revised edition. Harmondsworth [u.a.]: Penguin, 1968.
Lua MLA (8ú heag.)West, D. J. Homosexuality: Donald J. West. 2nd revised edition. Penguin, 1968.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.