Maritain, J. (1961). On the use of philosophy: Three essays. Princeton Unicersity Press.
Lua i Stíl Chicago (17ú heag.)Maritain, Jacques. On the Use of Philosophy: Three Essays. Princeton, N J: Princeton Unicersity Press, 1961.
Lua MLA (9ú heag.)Maritain, Jacques. On the Use of Philosophy: Three Essays. Princeton Unicersity Press, 1961.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.