Bredero, A. (1994). Christendom and Christianity in the middle ages. William B. Eerdmans Publishing Company.
Cita Chicago (17th ed.)Bredero, Adriaan. Christendom and Christianity in the Middle Ages. Michigan: William B. Eerdmans Publishing Company, 1994.
Cita MLA (9th ed.)Bredero, Adriaan. Christendom and Christianity in the Middle Ages. William B. Eerdmans Publishing Company, 1994.
Atenció: Aquestes cites poden no estar 100% correctes.