APA (7 वां संस्करण) प्रशस्ति पत्र

Berrigan, D. (1989). Sorrow built a bridge: Friendship and AIDS. Fortkamp Pub. Co..

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Berrigan, Daniel. Sorrow Built a Bridge: Friendship and AIDS. Baltimore, Md.: Fortkamp Pub. Co., 1989.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

Berrigan, Daniel. Sorrow Built a Bridge: Friendship and AIDS. Fortkamp Pub. Co., 1989.