Dorf, D. C. (1984). Front office selling "tips". Hotel Sales Management Association.
Citación estilo ChicagoDorf, David C. Front Office Selling "Tips". New York: Hotel Sales Management Association, 1984.
Cita MLADorf, David C. Front Office Selling "Tips". Hotel Sales Management Association, 1984.
Warning: These citations may not always be 100% accurate.