Lua APA (7ú heag.)
Maritain, J., & Sweet, W. (2001). Natural law: Reflections on theory and practice. St. Augustine's Press.
Lua i Stíl Chicago (17ú heag.)
Maritain, Jacques, agus William Sweet. Natural Law: Reflections on Theory and Practice. South Bend, Ind: St. Augustine's Press, 2001.
Lua MLA (9ú heag.)
Maritain, Jacques, agus William Sweet. Natural Law: Reflections on Theory and Practice. St. Augustine's Press, 2001.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.