@book{16811,
	author = {Knowles, Malcolm S. and Holton, Elwood F.,},
	title = {The adult learner :},
	publisher = {Gulf Pub. Co.,},
	year = {c1998.},
	address = {Houston, Tex. :},
	edition = {5th ed.},
	url = {http://www.loc.gov/catdir/description/els033/98006788.html}
}