APA-ийн эшлэл(7 дахь хэвлэлт)
International Correspondence Schools. Reference Library. Water Supply, Sewerage, Purification of Water, Sewage Purification and Disposal, Irrigation. International Textbook.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)
International Correspondence Schools. Reference Library. Water Supply, Sewerage, Purification of Water, Sewage Purification and Disposal, Irrigation. Scranton, EUA: International Textbook.
MLA -ийн эшлэл (9 дэх хэвлэлт)
International Correspondence Schools. Reference Library. Water Supply, Sewerage, Purification of Water, Sewage Purification and Disposal, Irrigation. International Textbook.
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