APA (7e ed.) Bronvermelding

Não informado. (1978). Cost Engineering. American Association of Cost Engineers.

Chicago (17e ed.) Bronvermelding

Não informado. Cost Engineering. Morgantown, Wa. Va: American Association of Cost Engineers, 1978.

MLA (8e ed.) Bronvermelding

Não informado. Cost Engineering. American Association of Cost Engineers, 1978.

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