Ong, W. J. (1951). Towers of Château d'Angers, France.
Lua i Stíl Chicago (17ú heag.)Ong, Walter J. Towers of Château D'Angers, France. 1951.
Lua MLA (8ú heag.)Ong, Walter J. Towers of Château D'Angers, France. 1951.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.