Boyd, S. J., & Lucie-Smith, E. (1989). Life class: The academic male nude 1820-1920 / edited by Stephen Boyd. Introduced by Edward Lucie-Smith. Gay Men's Press.
Lua i Stíl Chicago (17ú heag.)Boyd, Stephen J., agus Edward Lucie-Smith. Life Class: The Academic Male Nude 1820-1920 / Edited by Stephen Boyd. Introduced by Edward Lucie-Smith. London: Gay Men's Press, 1989.
Lua MLA (8ú heag.)Boyd, Stephen J., agus Edward Lucie-Smith. Life Class: The Academic Male Nude 1820-1920 / Edited by Stephen Boyd. Introduced by Edward Lucie-Smith. Gay Men's Press, 1989.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.