APA (7e ed.) Bronvermelding

Brooker, R. J., Widmaier, E. P., Graham, L. E., & Stiling, P. E. (2008). Biology. McGraw-Hill Higher Education.

Chicago (17e ed.) Bronvermelding

Brooker, Robert J., Eric P. Widmaier, Linda E. Graham, en Peter E. Stiling. Biology. Boston: McGraw-Hill Higher Education, 2008.

MLA (9e ed.) Bronvermelding

Brooker, Robert J., et al. Biology. McGraw-Hill Higher Education, 2008.