@book{21066,
	author = {Hochman, Elena, and Montero, Maritza,},
	title = {Técnicas de investigación documental /},
	publisher = {Editorial Trillas },
	year = {1978, 1979 printing.},
	address = {México },
	edition = {6. ed.},
	note = {Earlier editions published under title: Notas sobre investigación documental.}
}