@book{51859,
	author = {Baller, Warren Robert and Charles, Don C.},
	title = {Psicología del creciemento y desarrollo humanos},
	publisher = {Editorial Universitaria, Universidad de Puerto Rico},
	year = {1967.},
	address = {Rio Piedra},
	edition = {1. ed. y version castellana.},
	note = {First printed in English in 1961.}
}