Davies Penelope J.E, Denny Walter B., Hofrichter Frima Fox, Jacobs, J., Roberts Ann M., & Simon David L. (2007). Janson's history of art: The middle ages (Seventh edition.). Prentice hall.
Chicago Style (17th ed.) ZitazioaDavies Penelope J.E, Denny Walter B., Hofrichter Frima Fox, Joseph Jacobs, Roberts Ann M., eta Simon David L. Janson's History of Art: The Middle Ages. Seventh edition. Upper Saddle river: Prentice hall, 2007.
MLA (9th ed.) ZitazioaDavies Penelope J.E, et al. Janson's History of Art: The Middle Ages. Seventh edition. Prentice hall, 2007.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.