World Health Organization & ebrary, Inc. (2008). Tuberculosis and air travel: Guidelines for prevention and control (3rd ed.). World Health Organization.
Chicago-Zitierstil (17. Ausg.)World Health Organization und Inc ebrary. Tuberculosis and Air Travel: Guidelines for Prevention and Control. 3rd ed. Geneva: World Health Organization, 2008.
MLA-Zitierstil (9. Ausg.)World Health Organization und Inc ebrary. Tuberculosis and Air Travel: Guidelines for Prevention and Control. 3rd ed. World Health Organization, 2008.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.