Cita APA (7a ed.)

(1981). Water And Wastewater Engineering Systems D. Barnes [et Al.]. Pitman.

Cita Chicago Style (17a ed.)

Water And Wastewater Engineering Systems D. Barnes [et Al.]. Pitman, 1981.

Cita MLA (8a ed.)

Water And Wastewater Engineering Systems D. Barnes [et Al.]. Pitman, 1981.