Gaya APA

Pharmacists,, A, S, O, H. (1999). AHFS drug information 1999 (book 2) . Bethesda: American Society of Health-System Pharmacists.

Gaya MLA

Pharmacists,, American, Society, Of, Health-System. "AHFS drug information 1999 (book 2)". Bethesda: American Society of Health-System Pharmacists, 1999. Text Non-Fiction.