Gaya APA
Trease, G, E., Evans, W, C.
(1978).
Pharmacognosy
(
Ed.11)
.
London:
Bailliere Tindal.
Gaya MLA
Trease, George, Edward., Evans, Williams, Charles.
"Pharmacognosy".
Ed.11
London:
Bailliere Tindal,
1978.
Text.