Spence, A. (1979). Homosexuality in Canada: A bibliography / compiled by Alex Spence. Pink Triangle Press.
Lua i Stíl Chicago (17ú heag.)Spence, Alex. Homosexuality in Canada: A Bibliography / Compiled by Alex Spence. Toronto: Pink Triangle Press, 1979.
Lua MLA (8ú heag.)Spence, Alex. Homosexuality in Canada: A Bibliography / Compiled by Alex Spence. Pink Triangle Press, 1979.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.