Dieterick , B. (1963). Urban watersupply condition and needs in seventy five devoloping countri4es (1.). World Health Organisation.
শিকাগো স্টাইলে সাইটেশনDieterick , Berned. Urban Watersupply Condition and Needs in Seventy Five Devoloping Countri4es. 1. Geneva: World Health Organisation, 1963.
এমএলএ সাইটেশনDieterick , Berned. Urban Watersupply Condition and Needs in Seventy Five Devoloping Countri4es. 1. World Health Organisation, 1963.
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