@book{61187,
	author = {Knowles, Malcolm S. and Holton, Elwood F.,},
	title = {The adult learner :},
	publisher = {Elsevier,},
	year = {c2005.},
	address = {Amsterdam ;},
	edition = {6th ed.},
	url = {http://www.loc.gov/catdir/description/els051/2004024356.html}
}