Crampon, L. J. (1963). How to lure tourist to your town and state. University of Colorado.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCrampon, L. J. How to Lure Tourist to Your Town and State. Boulder, Colo: University of Colorado, 1963.
एमएलए (9वां संस्करण) प्रशस्ति पत्रCrampon, L. J. How to Lure Tourist to Your Town and State. University of Colorado, 1963.
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