APA (7 वां संस्करण) प्रशस्ति पत्र

Gershwin, G., Gershwin, I., & Heyward, D. (1992). Selections from Porgy and Bess. Warner Bros. Publications.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Gershwin, George, Ira Gershwin, और DuBose Heyward. Selections from Porgy and Bess. Secaucus, N.J.: Warner Bros. Publications, 1992.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Gershwin, George, et al. Selections from Porgy and Bess. Warner Bros. Publications, 1992.