Robert McHenry. (1996). Great books of the Western World. Chicago, Illinois: Encyclopedia Britannica.
Chicago Style aipamenaRobert McHenry. Great Books of the Western World. Chicago, Illinois: Encyclopedia Britannica, 1996.
MLA aipamenaRobert McHenry. Great Books of the Western World. Chicago, Illinois: Encyclopedia Britannica, 1996.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.