Gaya APA

Duckett, E, S, , (. (). Carolingian portraits, a study in the ninth century, (repr.) Tjet.pertama 1962. . University of Michigan Press: -1969.

Gaya MLA

Duckett, Eleanor, Shipley, , (1880-1976). "Carolingian portraits, a study in the ninth century, (repr.) Tjet.pertama 1962. ". University of Michigan Press: -1969, . Buku.