(2006). Tuberculosis and air travel: Guidelines for prevention and control (2nd ed.). World Health Organization.
Chicago-Zitierstil (17. Ausg.)Tuberculosis and Air Travel: Guidelines for Prevention and Control. 2nd ed. Geneva: World Health Organization, 2006.
MLA-Zitierstil (9. Ausg.)Tuberculosis and Air Travel: Guidelines for Prevention and Control. 2nd ed. World Health Organization, 2006.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.