APA (7e ed.) Bronvermelding

Pechenik, J. A. (2010). A short guide to writing about biology (7th ed.). Longman.

Chicago (17e ed.) Bronvermelding

Pechenik, Jan A. A Short Guide to Writing About Biology. 7th ed. New York: Longman, 2010.

MLA (9e ed.) Bronvermelding

Pechenik, Jan A. A Short Guide to Writing About Biology. 7th ed. Longman, 2010.