@book{30799,
	author = {Hartmann, Wilfried,},
	title = {The history of medieval canon law in the classical period, 1140-1234 : },
	publisher = {Catholic University of America Press, },
	year = {2008.},
	series = {History of medieval canon law},
	address = {Washington, D.C. : },
	note = {Incluye índices.}
}