Hardoy, J. E. (1986). Small and intermediate urban centres: Their role in regional and national development in the Thirld World. Hodder and Stoughton.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHardoy, Jorge Enriquez. Small and Intermediate Urban Centres: Their Role in Regional and National Development in the Thirld World. London: Hodder and Stoughton, 1986.
एमएलए (9वां संस्करण) प्रशस्ति पत्रHardoy, Jorge Enriquez. Small and Intermediate Urban Centres: Their Role in Regional and National Development in the Thirld World. Hodder and Stoughton, 1986.
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