Descartes, R. (1980). Discourse on the method for rightly conducting one's reason....... Hackett.
Lua i Stíl Chicago (17ú heag.)Descartes, Rene. Discourse on the Method for Rightly Conducting One's Reason....... Indiana: Hackett, 1980.
Lua MLA (9ú heag.)Descartes, Rene. Discourse on the Method for Rightly Conducting One's Reason....... Hackett, 1980.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.