GWARTNEY, J. D. (1980). Economics Private And Public Choice James D. Gwartney, Ricard Stroup, Assistance Of A.h. Studenmund. Academic Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGWARTNEY, James D. Economics Private And Public Choice James D. Gwartney, Ricard Stroup, Assistance Of A.h. Studenmund. Academic Press, 1980.
एमएलए (8वां संस्करण) प्रशस्ति पत्रGWARTNEY, James D. Economics Private And Public Choice James D. Gwartney, Ricard Stroup, Assistance Of A.h. Studenmund. Academic Press, 1980.
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