Bianchini, J. (2012). The Queen's hand: Power and authority in the reign of Berenguela of Castile. University of Pennsylvania Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBianchini, Janna. The Queen's Hand: Power and Authority in the Reign of Berenguela of Castile. Philadelphia: University of Pennsylvania Press, 2012.
एमएलए (9वां संस्करण) प्रशस्ति पत्रBianchini, Janna. The Queen's Hand: Power and Authority in the Reign of Berenguela of Castile. University of Pennsylvania Press, 2012.
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