Simon, U. (2009). Transplanting the Wisdom of Spain to Christian Lands: The Failed Efforts of R. Abraham Ibn Ezra. Jahrbuch des Simon-Dubnow-Instituts.
Chicago-referens (17:e uppl.)Simon, Uriel. "Transplanting the Wisdom of Spain to Christian Lands: The Failed Efforts of R. Abraham Ibn Ezra." Jahrbuch Des Simon-Dubnow-Instituts 2009.
MLA-referens (8:e uppl.)Simon, Uriel. "Transplanting the Wisdom of Spain to Christian Lands: The Failed Efforts of R. Abraham Ibn Ezra." Jahrbuch Des Simon-Dubnow-Instituts, 2009.
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