Gaya APA

Eddy, M., A., Tchobanoglous, G. (1981). Wastewater engineering collection and pumping of wastewater . New York: McGraw - Hill Book Company.

Gaya MLA

Eddy, M., A., Tchobanoglous, G.. Wastewater engineering collection and pumping of wastewater. New York: McGraw - Hill Book Company, 1981. Text.