Wang, Shan K., author
McGraw-Hill, 1993
Buku Referensi
edited by Charles A. Harper
McGraw-Hill, 2000
Buku Referensi
Ballast, David Kent, author
McGraw-Hill, 1994
Buku Referensi
Considine, Douglas M., editor
McGraw-Hill, 1964
Buku Referensi
Buchheim, Robert W., author
Random House, 1959
Buku Referensi