Solomon, E. P., Martin, C. E., Martin, D. W., & Berg, L. R. (2019). Biology (Eleventh edition.). Cengage Learning.
Lua i Stíl Chicago (17ú heag.)Solomon, Eldra Pearl, Charles E. Martin, Diana W. Martin, agus Linda R. Berg. Biology. Eleventh edition. Australia: Cengage Learning, 2019.
Lua MLA (9ú heag.)Solomon, Eldra Pearl, et al. Biology. Eleventh edition. Cengage Learning, 2019.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.