Birch, Tom, author
Pearson-Prentice Hall, 2006
Buku Teks
Birch, Thomas
Pearson Education, 2006
Multimedia
Edwards, Harry J., author
McGraw-Hill, 1980
Buku Teks
Smith, Russell E., author
Delmar, 1997
Buku Teks
McQuiston, Faye C., author
John Wiley & Sons, 1982
Buku Teks