Παραπομπή σε μορφή APA (7η εκδ.)

American Water Works Association & Letterman, R. D. (1999). Water quality & treatment: A handbook of community water supplies (5th ed.). McGraw-Hill.

Παραπομπή σε μορφή Chicago (17η εκδ.)

American Water Works Association και Raymond D. Letterman. Water Quality & Treatment: A Handbook of Community Water Supplies. 5th ed. New York: McGraw-Hill, 1999.

Παραπομπή σε μορφή MLA (8th εκδ.)

American Water Works Association και Raymond D. Letterman. Water Quality & Treatment: A Handbook of Community Water Supplies. 5th ed. McGraw-Hill, 1999.