Gaya APA
Beckman, .
(1961).
Pharmacology The Nature, Action and Use of Drugs
(
2)
.
Philadelphia:
W. B. Saunders Company.
Gaya MLA
Beckman, .
"Pharmacology The Nature, Action and Use of Drugs".
2
Philadelphia:
W. B. Saunders Company,
1961.
Text.