@book{42651,
	author = {Stake, Robert E. and Filella, Roc,},
	title = {Investigación con estudio de casos },
	publisher = {Morata S.L., },
	year = {1999.},
	address = {Madrid, España : },
	edition = {2a. ed.},
	note = {Traducción de : The art of case study research.}
}