@book{821834,
	author = {Emmerson, Paul},
	title = {Business grammar builder for class and self study},
	publisher = {Macmillan [u.a.,},
	year = {.},
	series = {The Macmillan business grammar and vocabulary series},
	address = {Oxford :},
	edition = {พิมพ์ครั้งที่ }
}