APA (7e ed.) Bronvermelding

Não informado. (1949). Standardization. American Standards Association.

Chicago (17e ed.) Bronvermelding

Não informado. Standardization. New York: American Standards Association, 1949.

MLA (8e ed.) Bronvermelding

Não informado. Standardization. American Standards Association, 1949.

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