Berkman, F. W. Selling today's resorts in tomorrow's market. Hotel Sales Management Association.
Citação norma ChicagoBerkman, Frank W. Selling Today's Resorts in Tomorrow's Market. New York: Hotel Sales Management Association.
Citação norma MLABerkman, Frank W. Selling Today's Resorts in Tomorrow's Market. Hotel Sales Management Association.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.