Παραπομπή APA

Water Environment Federation. (2003). Wastewater treatment plant design: Student workbook. Alexandria, VA: Water Environment Federation.

Παραπομπή Chicago Style

Water Environment Federation. Wastewater Treatment Plant Design: Student Workbook. Alexandria, VA: Water Environment Federation, 2003.

Παραπομπή MLA

Water Environment Federation. Wastewater Treatment Plant Design: Student Workbook. Alexandria, VA: Water Environment Federation, 2003.

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.