"Klein, S. (1968). Politics versus economics: The foreign trade and aid policies of China. International studies group publishers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र"Klein, Sidney". Politics Versus Economics: The Foreign Trade and Aid Policies of China. International studies group publishers, 1968.
एमएलए (9वां संस्करण) प्रशस्ति पत्र"Klein, Sidney". Politics Versus Economics: The Foreign Trade and Aid Policies of China. International studies group publishers, 1968.
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