Niebuhr, R. (1929). Leaves from the notebook of a tamed cynic. Willett, Clark & Colby.
Lua i Stíl Chicago (17ú heag.)Niebuhr, Reinhold. Leaves from the Notebook of a Tamed Cynic. Chicago, New York: Willett, Clark & Colby, 1929.
Lua MLA (8ú heag.)Niebuhr, Reinhold. Leaves from the Notebook of a Tamed Cynic. Willett, Clark & Colby, 1929.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.