Bianchini, J. (2012). The Queen's hand: Power and authority in the reign of Berenguela of Castile. University of Pennsylvania Press.
Lua i Stíl Chicago (17ú heag.)Bianchini, Janna. The Queen's Hand: Power and Authority in the Reign of Berenguela of Castile. Philadelphia: University of Pennsylvania Press, 2012.
Lua MLA (9ú heag.)Bianchini, Janna. The Queen's Hand: Power and Authority in the Reign of Berenguela of Castile. University of Pennsylvania Press, 2012.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.