APA-ийн эшлэл(7 дахь хэвлэлт)
American Water Works Association & ebrary, Inc. (2013). Nitrification prevention and control in drinking water (2nd ed.). American Water Works Association.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)
American Water Works Association ба Inc ebrary. Nitrification Prevention and Control in Drinking Water. 2nd ed. Denver, Colo.: American Water Works Association, 2013.
MLA -ийн эшлэл (9 дэх хэвлэлт)
American Water Works Association ба Inc ebrary. Nitrification Prevention and Control in Drinking Water. 2nd ed. American Water Works Association, 2013.
Анхааруулга: Эдгээр ишлэлүүд үргэлж 100% үнэн зөв биш байж магадгүй.