Kunstler, G. (1968). Romanesque art in Europe. New York Graphic Society.
Lua i Stíl Chicago (17ú heag.)Kunstler, Gustav. Romanesque Art in Europe. Greenwich, Conn: New York Graphic Society, 1968.
Lua MLA (9ú heag.)Kunstler, Gustav. Romanesque Art in Europe. New York Graphic Society, 1968.
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