OMS. (1991). WHO technical report series; N.807: Environmental health in urban development. Geneva: OMS.
استشهاد بنمط شيكاغوOMS. WHO Technical Report Series; N.807: Environmental Health in Urban Development. Geneva: OMS, 1991.
MLA استشهادOMS. WHO Technical Report Series; N.807: Environmental Health in Urban Development. Geneva: OMS, 1991.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.