@book{1571,
	author = {Sprinthall, Richard C. and Sprinthall, Norman A.},
	title = {Educational psychology : a development approach },
	publisher = {McGraw-Hill Inc.,US,},
	year = {1990.},
	address = {[S.l.] :},
	edition = {5th ed.},
	url = {http://www.amazon.com/exec/obidos/ASIN/0070605416/chopaconline-20}
}