APA-referens (7:e uppl.)

Starr, C., Evers, C. A., & Starr, L. (2015). Biology: Concepts and applications (9e.). Cengage Learning.

Chicago-referens (17:e uppl.)

Starr, Cecie, Christine A. Evers, och Lisa Starr. Biology: Concepts and Applications. 9e. Stamford, CT: Cengage Learning, 2015.

MLA-referens (9:e uppl.)

Starr, Cecie, et al. Biology: Concepts and Applications. 9e. Cengage Learning, 2015.