, 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.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر), Andrew Irving, Harald Buchinger, و 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.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة), 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.