edited by Mortimer J. Adler
Encyclopedia Britanica, 1990
Buku Referensi
editor in cheief, Mortimer J. Adler
Encyclopedia Britanica, 1996
Buku Referensi
Chicago, Encyclopedia Britanica, Inc,, 1996
Buku Referensi
Adler, Mortimer J.,, editor in chief
Chicago, Encyclopedia Britanica, Inc, , 1995
Buku Referensi
Mortimer J. Adler, editor in chief ; Clifton Fadiman, Philip W. Goetz, associate editors
Encyclopedia Britanica, 1990
Buku Referensi