Gershwin, G., Gershwin, I., & Heyward, D. (1992). Selections from Porgy and Bess. Warner Bros. Publications.
Lua i Stíl Chicago (17ú heag.)Gershwin, George, Ira Gershwin, agus DuBose Heyward. Selections from Porgy and Bess. Secaucus, N.J.: Warner Bros. Publications, 1992.
Lua MLA (9ú heag.)Gershwin, George, et al. Selections from Porgy and Bess. Warner Bros. Publications, 1992.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.