World Health Organization. (2003). Guidelines for the management of sexually transmitted infections. World Health Organization.
استشهاد بنمط شيكاغوWorld Health Organization. Guidelines for the Management of Sexually Transmitted Infections. Switzerland: World Health Organization, 2003.
MLA استشهادWorld Health Organization. Guidelines for the Management of Sexually Transmitted Infections. World Health Organization, 2003.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.