Baumol, W. J. (1965). Economic theory and operations analysis (2nd ed.). Prentice-Hall.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBaumol, William J. Economic Theory and Operations Analysis. 2nd ed. Englewood Cliffs, New Jersey: Prentice-Hall, 1965.
एमएलए (9वां संस्करण) प्रशस्ति पत्रBaumol, William J. Economic Theory and Operations Analysis. 2nd ed. Prentice-Hall, 1965.
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