Gaya APA

Trease, ., Evans, . (2009). Pharmacognosy (Ed. Internasional, Cet. 16). London: Saunders Elsevier.

Gaya MLA

Trease, ., Evans, . "Pharmacognosy". Ed. Internasional, Cet. 16 London: Saunders Elsevier, 2009. Text.