Gaya APA

Fair, G, M., Gayer, J, C, D, A. (1971). Elements of Water Supply and Wastewater Disposal . New York: John Wiley and Sons, Inc..

Gaya MLA

Fair, Gordon, M.., Gayer, John, C.,Okun,, Daniel, A.. "Elements of Water Supply and Wastewater Disposal". New York: John Wiley and Sons, Inc., 1971. Text.