Dyfyniad APA
University of Notre Dame. Medieval Institute, ebrary, Inc, Noble, T. F. X., & Van Engen, J. H. (2012). European transformations: The long twelfth century. University of Notre Dame Press.
Dyfyniad Arddull Chicago
University of Notre Dame. Medieval Institute, Inc ebrary, Thomas F. X. Noble, and John H. Van Engen. European Transformations: The Long Twelfth Century. Notre Dame, Ind.: University of Notre Dame Press, 2012.
Dyfyniad MLA
University of Notre Dame. Medieval Institute, et al. European Transformations: The Long Twelfth Century. University of Notre Dame Press, 2012.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.