RICARDO, D. (1955). The Principles Of Political Economy And Texation David Ricardo. s.n.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRICARDO, David. The Principles Of Political Economy And Texation David Ricardo. s.n, 1955.
एमएलए (8वां संस्करण) प्रशस्ति पत्रRICARDO, David. The Principles Of Political Economy And Texation David Ricardo. s.n, 1955.
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