Gaya APA

Gehm, H, W., Wahid, A. (1976). Handbook of water resources and pollution control . New York: Van Nonstrand Reinhold Company.

Gaya MLA

Gehm, Harry, W.., Wahid, Abdurrahman. "Handbook of water resources and pollution control". New York: Van Nonstrand Reinhold Company, 1976. Text.