Erlande-Brandenburg, A. (1995). Cathedrals and castles: Building in the Middle Ages. H.N. Abrams.
Chicago Style aipamenaErlande-Brandenburg, Alain. Cathedrals and Castles: Building in the Middle Ages. New York: H.N. Abrams, 1995.
MLA aipamenaErlande-Brandenburg, Alain. Cathedrals and Castles: Building in the Middle Ages. H.N. Abrams, 1995.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.