Duby, G. (1981). The age of the cathedrals: Art and society, 980-1420. Chicago: University of Chicago Press.
Чикагска система за цитиранеDuby, Georges. The Age of the Cathedrals: Art and Society, 980-1420. Chicago: University of Chicago Press, 1981.
MLA формат за цитиранеDuby, Georges. The Age of the Cathedrals: Art and Society, 980-1420. Chicago: University of Chicago Press, 1981.
Внимание: Тези цитати може да не са 100% точни.