, Irving, A., Buchinger, H., & Ackermann, A. (2023). On the Typology of Liturgical Books from the Western Middle Ages = Zur Typologie liturgischer Bücher des westlichen Mittelalters: Ed. by Andrew J. M. Irving and Harald Buchinger. With the coop. of Andrea Ackermann. Aschendorff.
Chicago (17e ed.) Bronvermelding, Andrew Irving, Harald Buchinger, en Andrea Ackermann. On the Typology of Liturgical Books from the Western Middle Ages = Zur Typologie Liturgischer Bücher Des Westlichen Mittelalters: Ed. by Andrew J. M. Irving and Harald Buchinger. With the Coop. of Andrea Ackermann. Münster: Aschendorff, 2023.
MLA (8e ed.) Bronvermelding, et al. On the Typology of Liturgical Books from the Western Middle Ages = Zur Typologie Liturgischer Bücher Des Westlichen Mittelalters: Ed. by Andrew J. M. Irving and Harald Buchinger. With the Coop. of Andrea Ackermann. Aschendorff, 2023.