"Holt, R. T. (1966). The political basis of economic development. Feffer & Simons.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र"Holt, Robert T.;Turner. The Political Basis of Economic Development. Feffer & Simons, 1966.
एमएलए (9वां संस्करण) प्रशस्ति पत्र"Holt, Robert T.;Turner. The Political Basis of Economic Development. Feffer & Simons, 1966.
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