@book{166933,
	author = {Bittel, Lester R. and Newstrom, John W.},
	title = {Lo que todo supervisor debe saber},
	publisher = {McGraw-Hill},
	year = {1996.},
	address = {Mexico},
	edition = {6a. ed. (4a. ed. en español)},
	note = {Título original: What every supervisor should know.}
}