Berkman, F. W. Selling today's resorts in tomorrow's market. Hotel Sales Management Association.
Chicagoスタイル(17版)引用形式Berkman, Frank W. Selling Today's Resorts in Tomorrow's Market. New York: Hotel Sales Management Association.
MLA(9版)引用形式Berkman, Frank W. Selling Today's Resorts in Tomorrow's Market. Hotel Sales Management Association.
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