World Health Organization & ebrary, Inc. (2008). Tuberculosis and air travel: Guidelines for prevention and control (3rd ed.). World Health Organization.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)World Health Organization ба Inc ebrary. Tuberculosis and Air Travel: Guidelines for Prevention and Control. 3rd ed. Geneva: World Health Organization, 2008.
MLA -ийн эшлэл (9 дэх хэвлэлт)World Health Organization ба Inc ebrary. Tuberculosis and Air Travel: Guidelines for Prevention and Control. 3rd ed. World Health Organization, 2008.
Анхааруулга: Эдгээр ишлэлүүд үргэлж 100% үнэн зөв биш байж магадгүй.