University of California, Los Angeles. Center for Medieval and Renaissance Studies, & Burns, R. I. (1985). The Worlds of Alfonso the Learned and James the Conqueror: Intellect and Force in the Middle Ages. Princeton University Press.
Cita Chicago Style (17a ed.)University of California, Los Angeles. Center for Medieval and Renaissance Studies, y Robert I. Burns. The Worlds of Alfonso the Learned and James the Conqueror: Intellect and Force in the Middle Ages. Princeton, N.J.: Princeton University Press, 1985.
Cita MLA (8a ed.)University of California, Los Angeles. Center for Medieval and Renaissance Studies, y Robert I. Burns. The Worlds of Alfonso the Learned and James the Conqueror: Intellect and Force in the Middle Ages. Princeton University Press, 1985.