APA
American Society of Hospital Pharmacists, . (2004). AHFS drug information 2004. Bethesda: American Society of Hospital Pharmacists.
Chicago
American Society of Hospital Pharmacists, . 2004. AHFS drug information 2004. Bethesda: American Society of Hospital Pharmacists.
Harvard
American Society of Hospital Pharmacists, . (2004). AHFS drug information 2004. Bethesda: American Society of Hospital Pharmacists.
MLA
American Society of Hospital Pharmacists, . AHFS drug information 2004. Bethesda: American Society of Hospital Pharmacists. 2004.