Parsons, June, author
Cengage Learning, 2013
Buku Teks
Shelly, Gary B., author
Anaheim Publishing, 1984
Buku Teks
Deem, Bill R.
Reston Publishing, 1980
Buku Teks
Essick, Edward L., author
Science Research Associates, 1984
Buku Teks
McGraw-Hill , 1970
Buku Teks