APA引文

American Water Works Association & ebrary, Inc. (2002). Safety practices for water utilities (6th ed.). American Water Works Association.

Chicago Style (17th ed.) Citation

American Water Works Association and Inc ebrary. Safety Practices for Water Utilities. 6th ed. Denver, CO: American Water Works Association, 2002.

MLA引文

American Water Works Association and Inc ebrary. Safety Practices for Water Utilities. 6th ed. American Water Works Association, 2002.