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