Baumol, W. J. (1972). Economic theory and operations analysis (Third edition.). Prentice-Hall.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBaumol, William J. Economic Theory and Operations Analysis. Third edition. Englewood Cliffs, N.J.: Prentice-Hall, 1972.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBaumol, William J. Economic Theory and Operations Analysis. Third edition. Prentice-Hall, 1972.
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