APA (7e ed.) Bronvermelding

Não informado. (1956). Cost engineering. Industrial Research Service.

Chicago (17e ed.) Bronvermelding

Não informado. Cost Engineering. Dover, N.H: Industrial Research Service, 1956.

MLA (8e ed.) Bronvermelding

Não informado. Cost Engineering. Industrial Research Service, 1956.

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