@book{44904,
	author = {Bruning, Roger H. and Schraw, Grgory J.},
	title = {Psicología cognitiva y de la instrucción},
	publisher = {Pearson Educación,},
	year = {2012},
	address = {España :},
	edition = {5},
	note = {Título original: Cognitive psychology and instruction},
	url = {http://biblioteca.unac.edu.co/portadas/55910.jpg}
}