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.
Chicago-referens (17:e uppl.)Grant, Duncan, och 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.
MLA-referens (8:e uppl.)Grant, Duncan, och Douglas Blair Turnbaugh. Private: The Erotic Art of Duncan Grant 1885-1978 / Introduced by Douglas Blair Turnbaugh. 1. Auflage. Gay Men's Press, 1989.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.