Gaya APA
Herfindal, E, T., Gourley, D, R. (1996).
Textbook of Therapeutics Drugand Disease Management (6th.ed).
Baltimore:
Williams and Wilkins.
Gaya MLA
Herfindal, Eric, T., Gourley, Dick, R.
"Textbook of Therapeutics Drugand Disease Management".
6th.ed
Baltimore:
Williams and Wilkins,
1996.
Text.