Rudolph, C. (2010). A companion to medieval art: Romanesque and Gothic in Northern Europe (Pbk. ed.). Wiley-Blackwell.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRudolph, Conrad. A Companion to Medieval Art: Romanesque and Gothic in Northern Europe. Pbk. ed. Malden, Mass: Wiley-Blackwell, 2010.
एमएलए (9वां संस्करण) प्रशस्ति पत्रRudolph, Conrad. A Companion to Medieval Art: Romanesque and Gothic in Northern Europe. Pbk. ed. Wiley-Blackwell, 2010.
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