Choe, K., & Roberts, B. H. (2011). Competitive cities in the 21st century: Cluster-based local economic development. Asian Development Bank.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रChoe, K., और Brian H. Roberts. Competitive Cities in the 21st Century: Cluster-based Local Economic Development. Manila, Philippines: Asian Development Bank, 2011.
एमएलए (9वां संस्करण) प्रशस्ति पत्रChoe, K., और Brian H. Roberts. Competitive Cities in the 21st Century: Cluster-based Local Economic Development. Asian Development Bank, 2011.
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