Leddy, Susan Kun, author
Lippincott , 1998
Buku Teks
Suchocki, John
Pearson, 2007
Multimedia
Hewitt, Paul G., author
Addison-Wesley, 2010
Buku Teks
Charon, Joel M., author
Allyn and Bacon, 1992
Buku Teks
Margulies, Newton, author
McGraw-Hill, 1978
Buku Teks