Bartholomew, J. G. (1912). Literary and Historical Atlas of Europe. Saint Louis University Libraries Digitization Center.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBartholomew, J. G. Literary and Historical Atlas of Europe. Saint Louis University Libraries Digitization Center, 1912.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBartholomew, J. G. Literary and Historical Atlas of Europe. Saint Louis University Libraries Digitization Center, 1912.
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