World Health Organization. (2000). International travel and health: Vaccination requirements and health advice. World Health Organization.
Chicago Style (17th ed.) CitationWorld Health Organization. International Travel and Health: Vaccination Requirements and Health Advice. Geneva: World Health Organization, 2000.
MLA (8th ed.) CitationWorld Health Organization. International Travel and Health: Vaccination Requirements and Health Advice. World Health Organization, 2000.
Warning: These citations may not always be 100% accurate.