Descartes, R. Rules for the direction of the mind.
Lua i Stíl Chicago (17ú heag.)Descartes, René. Rules for the Direction of the Mind.
Lua MLA (8ú heag.)Descartes, René. Rules for the Direction of the Mind.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.