Harris, Cyril M., editor in chief
McGraw-Hill Publishing Company, 1990
Buku Referensi
Lewis, Jack R., author
Prentice-Hall, 1982
Buku Referensi
edited by Mildred F. Schmertz
McGraw-Hill, 1982
Buku Teks
Calloway, Stephen, author
Simon and Schuster, 1996
Buku Referensi
Tamboli, Akbar R., author
McGraw-Hill, 2010
Buku Teks