APA (7e ed.) Bronvermelding

American Water Works Association & ebrary, Inc. (2000). Principles of water rates, fees, and charges (5th ed.). American Water Works Association.

Chicago (17e ed.) Bronvermelding

American Water Works Association en Inc ebrary. Principles of Water Rates, Fees, and Charges. 5th ed. Denver, Colo.: American Water Works Association, 2000.

MLA (9e ed.) Bronvermelding

American Water Works Association en Inc ebrary. Principles of Water Rates, Fees, and Charges. 5th ed. American Water Works Association, 2000.