American Water Works Association & ebrary, Inc. (2006). Waterborne pathogens (2nd ed.). American Water Works Association.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)American Water Works Association ба Inc ebrary. Waterborne Pathogens. 2nd ed. Denver, Colo.: American Water Works Association, 2006.
MLA -ийн эшлэл (9 дэх хэвлэлт)American Water Works Association ба Inc ebrary. Waterborne Pathogens. 2nd ed. American Water Works Association, 2006.
Анхааруулга: Эдгээр ишлэлүүд үргэлж 100% үнэн зөв биш байж магадгүй.