ebrary, Inc, & American Water Works Association. (2002). Simplified procedures for water examination (5th ed.). American Water Works Association.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)ebrary, Inc, ба American Water Works Association. Simplified Procedures for Water Examination. 5th ed. Denver, CO: American Water Works Association, 2002.
MLA -ийн эшлэл (9 дэх хэвлэлт)ebrary, Inc, ба American Water Works Association. Simplified Procedures for Water Examination. 5th ed. American Water Works Association, 2002.
Анхааруулга: Эдгээр ишлэлүүд үргэлж 100% үнэн зөв биш байж магадгүй.