@book{115558,
	author = {Cofer, Charles Norval.},
	title = {Motivacion y emocion},
	publisher = {Brouwer},
	year = {1984.},
	series = {Biblioteca de psicologia},
	address = {Bilbao, Spain},
	edition = {8.a ed.},
	note = {Translation of: Motivation and emotion.}
}