APA (7e ed.) Bronvermelding

Ostler, P. (1978). Estimation of bridge construction costs: Program COSMOS. Transport and Road Research Laboratory.

Chicago (17e ed.) Bronvermelding

Ostler, P. Estimation of Bridge Construction Costs: Program COSMOS. Crowthorne, [Eng.]: Transport and Road Research Laboratory, 1978.

MLA (9e ed.) Bronvermelding

Ostler, P. Estimation of Bridge Construction Costs: Program COSMOS. Transport and Road Research Laboratory, 1978.

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