APA aipamena

Geddes, S., & Williams, J. (1996). Estimating for building and civil engineering works (9th ed.). Oxford: Butterworth-Heinemann.

Chicago Style aipamena

Geddes, Spence., và John Williams. Estimating for Building and Civil Engineering Works. 9th ed. Oxford: Butterworth-Heinemann, 1996.

MLA aipamena

Geddes, Spence., và John Williams. Estimating for Building and Civil Engineering Works. 9th ed. Oxford: Butterworth-Heinemann, 1996.