World Health Organization. (2011). Handbook for inspection of ships and issuance of ship sanitation certificates. World Health Organization.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)World Health Organization. Handbook for Inspection of Ships and Issuance of Ship Sanitation Certificates. Geneva, Switzerland: World Health Organization, 2011.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)World Health Organization. Handbook for Inspection of Ships and Issuance of Ship Sanitation Certificates. World Health Organization, 2011.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.