APA (7e ed.) Bronvermelding

American Medical Association. (1981). American medical directory update. The Association.

Chicago (17e ed.) Bronvermelding

American Medical Association. American Medical Directory Update. Chicago: The Association, 1981.

MLA (8e ed.) Bronvermelding

American Medical Association. American Medical Directory Update. The Association, 1981.

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