@book{822654,
	author = {Ng, Irene C. L.},
	title = {The pricing and revenue management of services/},
	publisher = {Routledge,},
	year = {2008.},
	series = {Routledge advances in management and business studies},
	address = {London : New York :},
	edition = {พิมพ์ครั้งที่ }
}