APA (7e ed.) Bronvermelding

Tyler, V. E., Brady, L. R., & Robbers, J. E. (1988). Pharmacognosy (9th ed.). Lee & Febiger.

Chicago (17e ed.) Bronvermelding

Tyler, Varro E., Lynn R. Brady, en James E. Robbers. Pharmacognosy. 9th ed. Philadelphia: Lee & Febiger, 1988.

MLA (8e ed.) Bronvermelding

Tyler, Varro E., et al. Pharmacognosy. 9th ed. Lee & Febiger, 1988.