World health organization. (1949). International digest of health legislation. World health organization.
استشهاد بنمط شيكاغوWorld health organization. International Digest of Health Legislation. Geneva: World health organization, 1949.
MLA استشهادWorld health organization. International Digest of Health Legislation. World health organization, 1949.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.