@book{13378,
	author = {Schunk, Dale H.},
	title = {Learning theories : an educational perspective / Dale H. Schunk.},
	publisher = {Upper Saddle River, NJ : Merrill Prentice Hall, 2008.},
	address = {Upper Saddle River, NJ : Merrill Prentice Hall, 2008.},
	edition = {4th ed.}
}