APA (7e ed.) Bronvermelding

Não informado. (1966). Journal of Professional Activities. American Society of Civil Engineers.

Chicago (17e ed.) Bronvermelding

Não informado. Journal of Professional Activities. New York: American Society of Civil Engineers, 1966.

MLA (8e ed.) Bronvermelding

Não informado. Journal of Professional Activities. American Society of Civil Engineers, 1966.

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