Παραπομπή APA

Fitchen, J. (1981). The construction of Gothic cathedrals: A study of medieval vault erection. Chicago: The University of Chicago Press.

Παραπομπή Chicago Style

Fitchen, John. The Construction of Gothic Cathedrals: A Study of Medieval Vault Erection. Chicago: The University of Chicago Press, 1981.

Παραπομπή MLA

Fitchen, John. The Construction of Gothic Cathedrals: A Study of Medieval Vault Erection. Chicago: The University of Chicago Press, 1981.

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