@book{89659,
	author = {Zeithaml V A and Zeithaml V A; Bitner M J; Gremler D D & Pandit A},
	title = {Services Marketing},
	publisher = {Tata McGraw Hill},
	year = {2014},
	address = {New Delhi},
	edition = {6th ed},
	note = {Services marketing
}
}