@book{7213,
	author = {Leech, Geoffrey N. and Svartvik, Jan.},
	title = {A communicative grammar of English /},
	publisher = {Longman,},
	year = {1973 [reprinted 1986].},
	address = {London :},
	note = {"Based on A grammar of contemporary English, by Randolph Quirk ... [et al.]"}
}