Dieterick , B. (1963). Urban watersupply condition and needs in seventy five devoloping countri4es (1.). World Health Organisation.
استشهاد بنمط شيكاغوDieterick , Berned. Urban Watersupply Condition and Needs in Seventy Five Devoloping Countri4es. 1. Geneva: World Health Organisation, 1963.
MLA استشهادDieterick , Berned. Urban Watersupply Condition and Needs in Seventy Five Devoloping Countri4es. 1. World Health Organisation, 1963.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.