University of Colorado (Boulder campus). Bureau of Business Research. Colorado business review. Business Research Division, University of Colorado.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रUniversity of Colorado (Boulder campus). Bureau of Business Research. Colorado Business Review. [Boulder, Colo.]: Business Research Division, University of Colorado.
एमएलए (8वां संस्करण) प्रशस्ति पत्रUniversity of Colorado (Boulder campus). Bureau of Business Research. Colorado Business Review. Business Research Division, University of Colorado.
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