FV-GmbH. (1987). CLUB `87: The international guide for men and women to the gay world. FV-GmbH.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रFV-GmbH. CLUB `87: The International Guide for Men and Women to the Gay World. Frankfurt (Main): FV-GmbH, 1987.
एमएलए (8वां संस्करण) प्रशस्ति पत्रFV-GmbH. CLUB `87: The International Guide for Men and Women to the Gay World. FV-GmbH, 1987.
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