@book{60669,
	author = {Leedy, Paul D. and Ormrod, Jeanne Ellis.},
	title = {Practical research :},
	publisher = {Merrill Prentice Hall,},
	year = {2001.},
	address = {Upper Saddle River, N.J. :},
	edition = {7th ed. /},
	url = {http://edrev.asu.edu/reviews/rev132.htm}
}