Gaya APA

Peurifoy, R, L., D., I, O, G. (2002). Estimating construction costs . Boston, Mc Graw Hill, 2002: .

Gaya MLA

Peurifoy, Robert, L.., D., I., Oberlender,, Garold. "Estimating construction costs". Boston, Mc Graw Hill, 2002: , 2002. Text.