Gaya APA

D Barnes, PJ Bliss. (1981). Water And Wastewater Engineering Systems . New York: Longman Scientific & Technical.

Gaya Chicago

D Barnes, PJ Bliss. Water And Wastewater Engineering Systems. New York: Longman Scientific & Technical, 1981. Text.

Gaya MLA

D Barnes, PJ Bliss. Water And Wastewater Engineering Systems. New York: Longman Scientific & Technical, 1981. Text.

Gaya Turabian

D Barnes, PJ Bliss. Water And Wastewater Engineering Systems. New York: Longman Scientific & Technical, 1981. Print.