@book{45471,
	author = {Halliday, M. A. K.},
	title = {Spoken and written language / M. A. K. Halliday.},
	publisher = {Oxford University Press},
	year = {1989.},
	series = {Language Education.},
	address = {Oxford, New York},
	edition = {2nd ed.},
	note = {Previous ed.: 1985.}
}