Gaya APA

Sheehan, D, F. (1979). Sacramentum in a ninth century controversy. A study of the use and development of sacramentum in the controversy between Amalarius of Metz and Florus of Lyons. . Roma: PUG.

Gaya MLA

Sheehan, Dennis, F.. "Sacramentum in a ninth century controversy. A study of the use and development of sacramentum in the controversy between Amalarius of Metz and Florus of Lyons. ". Roma: PUG, 1979. Buku.