APA-ийн эшлэл(7 дахь хэвлэлт)

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

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

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

MLA -ийн эшлэл (9 дэх хэвлэлт)

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

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