Andrew M. Spencer. (2013). Nobility and Kingship in Medieval England (1.). Cambridge University Press.
Lua i Stíl Chicago (17ú heag.)Andrew M. Spencer. Nobility and Kingship in Medieval England. 1. Cambridge University Press, 2013.
Lua MLA (8ú heag.)Andrew M. Spencer. Nobility and Kingship in Medieval England. 1. Cambridge University Press, 2013.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.