APA (7e ed.) Bronvermelding

Bies, J. D. (1983). Mapping and topographic drafting. South-Western.

Chicago (17e ed.) Bronvermelding

Bies, John D. Mapping and Topographic Drafting. Cincinnati: South-Western, 1983.

MLA (9e ed.) Bronvermelding

Bies, John D. Mapping and Topographic Drafting. South-Western, 1983.