editor-in-chief, Charles A. Harper
McGraw-Hill, 1996
Buku Referensi
editor-in-chief, Charles A. Harper
McGraw-Hill, 1975
Buku Referensi
Wordingham, J. A., author
Littlefield, Adams & Co., 1967
Buku Referensi
Crawford, R.J., author
Pergamon Press, 1987
Buku Teks
Gaylord, M.W., author
Cahners Books, 1974
Buku Teks