Audesirk, T., Audesirk, G., & Byers, B. E. (2001). Biology: Life on Earth (6th ed.). Prentice Hall.
Lua i Stíl Chicago (17ú heag.)Audesirk, Teresa, Gerald Audesirk, agus Bruce E. Byers. Biology: Life on Earth. 6th ed. Upper Saddle River, N.J: Prentice Hall, 2001.
Lua MLA (9ú heag.)Audesirk, Teresa, et al. Biology: Life on Earth. 6th ed. Prentice Hall, 2001.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.