APA (7e ed.) Bronvermelding

Não informado. (1974). American cartographer. American Congress on Surveying and Mapping.

Chicago (17e ed.) Bronvermelding

Não informado. American Cartographer. Washington: American Congress on Surveying and Mapping, 1974.

MLA (8e ed.) Bronvermelding

Não informado. American Cartographer. American Congress on Surveying and Mapping, 1974.

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