World Health Organization. (2005). Control of yellow fever: Field Guide. Pan American Health Organization.
Chicago-Zitierstil (17. Ausg.)World Health Organization. Control of Yellow Fever: Field Guide. Washington, D. C: Pan American Health Organization, 2005.
MLA-Zitierstil (8. Ausg.)World Health Organization. Control of Yellow Fever: Field Guide. Pan American Health Organization, 2005.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.