Kahler, E. v. (1943). Man the measure: A new approach to history / Erich Kahler. Pantheon.
Lua i Stíl Chicago (17ú heag.)Kahler, Erich von. Man the Measure: A New Approach to History / Erich Kahler. New York: Pantheon, 1943.
Lua MLA (8ú heag.)Kahler, Erich von. Man the Measure: A New Approach to History / Erich Kahler. Pantheon, 1943.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.