@book{30510,
	author = {Mastropierro, María del Carmen},
	title = {Tutores y tutorías.},
	publisher = {Alfagrama,},
	year = {2009.},
	series = {Biblioteca Alfagrama. Serie Educación / Alicia Serrano},
	address = {Buenos Aires :},
	edition = {1a ed.}
}