Gaya APA
Evans, W, C.
(2009).
Trease and Evans Pharmacognosy 16th edition
(
16)
.
London:
Saunders Elsevier.
Gaya MLA
Evans, William, C..
"Trease and Evans Pharmacognosy 16th edition".
16
London:
Saunders Elsevier,
2009.
Text.