APA (7e ed.) Bronvermelding

Não informado. (1930). Civil Engineering. American Society of Civil Engineers.

Chicago (17e ed.) Bronvermelding

Não informado. Civil Engineering. New York: American Society of Civil Engineers, 1930.

MLA (8e ed.) Bronvermelding

Não informado. Civil Engineering. American Society of Civil Engineers, 1930.

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