BRUM, G., McKANE, L., & KARP, G. (1994). Biology: Exploring Life. John Wiley & Sons.
Lua i Stíl Chicago (17ú heag.)BRUM, Gil, Larry McKANE, agus Gerry KARP. Biology: Exploring Life. John Wiley & Sons, 1994.
Lua MLA (8ú heag.)BRUM, Gil, et al. Biology: Exploring Life. John Wiley & Sons, 1994.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.