Baumol, W. J., & Baumol, W. J. (1979). Economics, environmental policy, and the quality of life. Prentice-Hall.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBaumol, William J., और William J.;Oates Baumol. Economics, Environmental Policy, and the Quality of Life. Prentice-Hall, 1979.
एमएलए (9वां संस्करण) प्रशस्ति पत्रBaumol, William J., और William J.;Oates Baumol. Economics, Environmental Policy, and the Quality of Life. Prentice-Hall, 1979.
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