Παραπομπή σε μορφή APA (7η εκδ.)

Water Environment Federation. (2008). Operation of municipal wastewater treatment plants (6th ed.). WEF Press, McGraw Hill.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Water Environment Federation. Operation of Municipal Wastewater Treatment Plants. 6th ed. New York: WEF Press, McGraw Hill, 2008.

Παραπομπή σε μορφή MLA (9th εκδ.)

Water Environment Federation. Operation of Municipal Wastewater Treatment Plants. 6th ed. WEF Press, McGraw Hill, 2008.