Pfaff, R. W. (1998). Liturgical calendars, saints, and services in medieval England. Ashgate.
Dyfyniad Arddull ChicagoPfaff, Richard William. Liturgical Calendars, Saints, and Services in Medieval England. Aldershot, Hampshire: Ashgate, 1998.
Dyfyniad MLAPfaff, Richard William. Liturgical Calendars, Saints, and Services in Medieval England. Ashgate, 1998.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.