Hutchins, R. M., & Adler, M. J. (1963). Gateway to the great books.: Vol.1: Introduction syntopical guide. Encyclopedia Britannica, Inc..
Chicago Style (17th ed.) ZitazioaHutchins, Robert M., eta Mortimer J. Adler. Gateway to the Great Books.: Vol.1: Introduction Syntopical Guide. Chicago: Encyclopedia Britannica, Inc., 1963.
MLA (9th ed.) ZitazioaHutchins, Robert M., eta Mortimer J. Adler. Gateway to the Great Books.: Vol.1: Introduction Syntopical Guide. Encyclopedia Britannica, Inc., 1963.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.