@book{131397,
	author = {Leech, Geoffrey N. and Svartvik, Jan.},
	title = {A communicative grammar of English /},
	publisher = {Longman,},
	year = {1994.},
	address = {London ;},
	edition = {2nd ed.},
	note = {"Based on A Comprehensive Grammar of the English Language by Randolph Quirk, Sidney Greenbaum, Geoffrey Leech, Jan Svartvik"--pref.}
}