APA-ийн эшлэл(7 дахь хэвлэлт)

United Nations Environment Programme, Water Supply and Sanitation Collaborative Council, World Health Organization, ebrary, Inc, Helmer, R., & Hespanhol, I. (1997). Water pollution control: A guide to the use of water quality management principles. E & FN Spon.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

United Nations Environment Programme, Water Supply and Sanitation Collaborative Council, World Health Organization, Inc ebrary, Richard Helmer, ба Ivanildo Hespanhol. Water Pollution Control: A Guide to the Use of Water Quality Management Principles. London ; New York: E & FN Spon, 1997.

MLA -ийн эшлэл (9 дэх хэвлэлт)

United Nations Environment Programme, et al. Water Pollution Control: A Guide to the Use of Water Quality Management Principles. E & FN Spon, 1997.