@book{6870,
	author = {Best, John W. and Gonzalvo Mainar, Gonzalo},
	title = {Como investigar en educación},
	publisher = {Ediciones Morata},
	year = {1981},
	series = {Pedagogía},
	address = {Madrid},
	edition = {7ª ed.},
	note = {Apéndices p.271-382}
}