Goeldner, C. R., Fellhauer, C., & Kates, J. (1976). The Vail skier. Business Research Division, Graduate School of Business Administration, University of Colorado.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGoeldner, Charles R., Cherly Fellhauer, और John Kates. The Vail Skier. Boulder, Colo.: Business Research Division, Graduate School of Business Administration, University of Colorado, 1976.
एमएलए (8वां संस्करण) प्रशस्ति पत्रGoeldner, Charles R., et al. The Vail Skier. Business Research Division, Graduate School of Business Administration, University of Colorado, 1976.
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