APA (7e ed.) Bronvermelding

(1981). Physicians' desk reference for nonprescription drugs. Medical Economics.

Chicago (17e ed.) Bronvermelding

Physicians' Desk Reference for Nonprescription Drugs. Oradell, NJ: Medical Economics, 1981.

MLA (9e ed.) Bronvermelding

Physicians' Desk Reference for Nonprescription Drugs. Medical Economics, 1981.

Let op: Deze citaties zijn niet altijd 100% accuraat.