Lukenbill, G. (1999). Untold millions: Secret truths about marketing to gay and lesbian consumers / Grant Lukenbill. Harrington.
Chicago-referens (17:e uppl.)Lukenbill, Grant. Untold Millions: Secret Truths About Marketing to Gay and Lesbian Consumers / Grant Lukenbill. New York [u.a.]: Harrington, 1999.
MLA-referens (8:e uppl.)Lukenbill, Grant. Untold Millions: Secret Truths About Marketing to Gay and Lesbian Consumers / Grant Lukenbill. Harrington, 1999.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.