Nardi, P. M. (1999). Gay men's friendship: Invincible communities. University of Chicago.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNardi, Peter M. Gay Men's Friendship: Invincible Communities. Chicago [u.a.]: University of Chicago, 1999.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNardi, Peter M. Gay Men's Friendship: Invincible Communities. University of Chicago, 1999.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.