Lua APA (7ú heag.)
Walsh, W. T. (1987). Isabella of Spain: The last crusader. Tan Books and Publishers, Inc..
Lua i Stíl Chicago (17ú heag.)
Walsh, William Thomas. Isabella of Spain: The Last Crusader. Rockford: Tan Books and Publishers, Inc., 1987.
Lua MLA (9ú heag.)
Walsh, William Thomas. Isabella of Spain: The Last Crusader. Tan Books and Publishers, Inc., 1987.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.