APA-referens (7:e uppl.)

Wallis, T. (2005). Textbook of Pharmacognosy (1st Ed.). CBS Publishers.

Chicago-referens (17:e uppl.)

Wallis, T.E. Textbook of Pharmacognosy. 1st Ed. Delhi: CBS Publishers, 2005.

MLA-referens (9:e uppl.)

Wallis, T.E. Textbook of Pharmacognosy. 1st Ed. CBS Publishers, 2005.