Gaya APA

Peurifoy, R, L., Oberlender, G, D. (2014). Estimating Construction Costs (6). New York: McGraw-Hill Education.

Gaya MLA

Peurifoy, Robert, L.., Oberlender, Garold, D.. "Estimating Construction Costs". 6 New York: McGraw-Hill Education, 2014. Text.