APA (7e ed.) Bronvermelding

Não informado. (1974). Annual Index of Rheumatology. American Rheumatism Association.

Chicago (17e ed.) Bronvermelding

Não informado. Annual Index of Rheumatology. New York: American Rheumatism Association, 1974.

MLA (8e ed.) Bronvermelding

Não informado. Annual Index of Rheumatology. American Rheumatism Association, 1974.

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