Degroot, D. G. (1979). Initiating urban development: Slum improvement and resettlement in Davao City. University Microfilms.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDegroot, David G. Initiating Urban Development: Slum Improvement and Resettlement in Davao City. Ann Arbor, Mich: University Microfilms, 1979.
एमएलए (9वां संस्करण) प्रशस्ति पत्रDegroot, David G. Initiating Urban Development: Slum Improvement and Resettlement in Davao City. University Microfilms, 1979.
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