Ryan, A. H. R. (1937). Descartes and scholasticism.
Lua i Stíl Chicago (17ú heag.)Ryan, Arthur H. Rev. Descartes and Scholasticism. 1937.
Lua MLA (9ú heag.)Ryan, Arthur H. Rev. Descartes and Scholasticism. 1937.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.
