Grant, D., & Turnbaugh, D. B. (1989). Private: The erotic art of Duncan Grant 1885-1978 / introduced by Douglas Blair Turnbaugh (1. Auflage.). Gay Men's Press.
Lua i Stíl Chicago (17ú heag.)Grant, Duncan, agus Douglas Blair Turnbaugh. Private: The Erotic Art of Duncan Grant 1885-1978 / Introduced by Douglas Blair Turnbaugh. 1. Auflage. London: Gay Men's Press, 1989.
Lua MLA (8ú heag.)Grant, Duncan, agus Douglas Blair Turnbaugh. Private: The Erotic Art of Duncan Grant 1885-1978 / Introduced by Douglas Blair Turnbaugh. 1. Auflage. Gay Men's Press, 1989.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.