editor in chief John Sinclair
Collins, 1991
Buku Referensi
editor, William Morris
Houghton Miffiln, 1976
Buku Referensi
editor, Laurence Urdang, Stuart Berg Flexner
Random House, 1968
Buku Referensi
Tokyo : Kenkyusha, [date of publication not identified]
Buku Referensi
Longman, 1992
Buku Referensi