Shelly, Gary B., author
Anaheim Publishing, 1984
Buku Teks
Parsons, June, author
Cengage Learning, 2013
Buku Teks
Fuori, William M., author
Prentice-Hall, 1991
Buku Teks
Long, Larry E., author
Prentice-Hill, 1984
Buku Teks
Fouri, William M., author
Prentice-Hall, 1989
Buku Teks