APA (7e ed.) Bronvermelding

Não informado. (1920). Public Works. Municipal Journal and Engineer.

Chicago (17e ed.) Bronvermelding

Não informado. Public Works. New York: Municipal Journal and Engineer, 1920.

MLA (8e ed.) Bronvermelding

Não informado. Public Works. Municipal Journal and Engineer, 1920.

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