HUTCHINS, R. M. [. (1963). Gateway to the great books vol.6: Man and society. Encyclopaedia Britannica.
Lua i Stíl Chicago (17ú heag.)HUTCHINS, Robert M. [Ed.]. Gateway to the Great Books Vol.6: Man and Society. Chicago: Encyclopaedia Britannica, 1963.
Lua MLA (9ú heag.)HUTCHINS, Robert M. [Ed.]. Gateway to the Great Books Vol.6: Man and Society. Encyclopaedia Britannica, 1963.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.