Higgins, B. H. (1968). Economic development: Problems, principles and policies. W.W. Norton.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHiggins, Benjamin Howard. Economic Development: Problems, Principles and Policies. New York: W.W. Norton, 1968.
एमएलए (9वां संस्करण) प्रशस्ति पत्रHiggins, Benjamin Howard. Economic Development: Problems, Principles and Policies. W.W. Norton, 1968.
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