@book{822696,
	author = {Hall, Stephen S. J.},
	title = {Ethics in hospitality management: a book of readings},
	publisher = {Educational Institute of the American Hotel & Motel Assoc,},
	year = {1992.},
	address = {East Lansing, Mich :},
	edition = {พิมพ์ครั้งที่ 2}
}