Gaya APA
Joel, H. (1990).
Goodman and Gilmans's The Pharmacological Basic of Therapeutics (9th.ed.).
America:
McGraw Hill.
Gaya MLA
Joel, Hardman.
"Goodman and Gilmans's The Pharmacological Basic of Therapeutics".
9th.ed.
America:
McGraw Hill,
1990.
Text.