Dorf, D. C. The use of visual impact in promoting food sales. Hotel Sales Management Association.
Citación estilo ChicagoDorf, David C. The Use of Visual Impact in Promoting Food Sales. New York: Hotel Sales Management Association.
Cita MLADorf, David C. The Use of Visual Impact in Promoting Food Sales. Hotel Sales Management Association.
Warning: These citations may not always be 100% accurate.