Goeldner, C. R. (1974). The Aspen skier. Business Research Division, Graduate School of Business Administration, University of Colorado.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGoeldner, Charles R. The Aspen Skier. Boulder: Business Research Division, Graduate School of Business Administration, University of Colorado, 1974.
एमएलए (8वां संस्करण) प्रशस्ति पत्रGoeldner, Charles R. The Aspen Skier. Business Research Division, Graduate School of Business Administration, University of Colorado, 1974.
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