Παραπομπή APA

Fair, G. M., & Alexander Okum, D. (1958). Elements of water supply and wastewater disposal (2nd ed.). John Wiley.

Παραπομπή Chicago Style

Fair, Gordon Maskew, και Daniel Alexander Okum. Elements of Water Supply and Wastewater Disposal. 2nd ed. New York: John Wiley, 1958.

Παραπομπή MLA

Fair, Gordon Maskew, και Daniel Alexander Okum. Elements of Water Supply and Wastewater Disposal. 2nd ed. John Wiley, 1958.