Lukenbill, G. (1999). Untold millions: Secret truths about marketing to gay and lesbian consumers / Grant Lukenbill. Harrington.
Lua i Stíl Chicago (17ú heag.)Lukenbill, Grant. Untold Millions: Secret Truths About Marketing to Gay and Lesbian Consumers / Grant Lukenbill. New York [u.a.]: Harrington, 1999.
Lua MLA (8ú heag.)Lukenbill, Grant. Untold Millions: Secret Truths About Marketing to Gay and Lesbian Consumers / Grant Lukenbill. Harrington, 1999.
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