Gaya APA

Evans, William C.. (2009). Trease and Evans Pharmacognosy (16th. Ed.). Edinburgh: Saunders-Elsevier.

Gaya Chicago

Evans, William C.. Trease and Evans Pharmacognosy. 16th. Ed. Edinburgh: Saunders-Elsevier, 2009. Text.

Gaya MLA

Evans, William C.. Trease and Evans Pharmacognosy. 16th. Ed. Edinburgh: Saunders-Elsevier, 2009. Text.

Gaya Turabian

Evans, William C.. Trease and Evans Pharmacognosy. 16th. Ed. Edinburgh: Saunders-Elsevier, 2009. Print.