DUTTA, B. (1996). Estimating And Costing In Civil Engineering. UBSPD.
Chicago (17e ed.) BronvermeldingDUTTA, BN. Estimating And Costing In Civil Engineering. UBSPD, 1996.
MLA (8e ed.) BronvermeldingDUTTA, BN. Estimating And Costing In Civil Engineering. UBSPD, 1996.
Let op: Deze citaties zijn niet altijd 100% accuraat.