@book{39858,
	author = {Hutchinson, Tom, and Waters, Alan.},
	title = {English for specific purposes :},
	publisher = {Cambridge University Press,},
	year = {1987.},
	address = {Cambridge [Cambridgeshire] :},
	note = {Includes index.},
	url = {http://www.loc.gov/catdir/description/cam023/86009528.html}
}