World Health Organization. (1995). International travel and health: Vaccination requirements and health advice. World Health Organization.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)World Health Organization. International Travel and Health: Vaccination Requirements and Health Advice. Geneva: World Health Organization, 1995.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)World Health Organization. International Travel and Health: Vaccination Requirements and Health Advice. World Health Organization, 1995.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.