Carman, Robert A., author
John Wiley & Sons, 1980
Buku Teks
Woodbury, George
Pearson/Addison-Wesley, 2009
Multimedia
Woodbury, George
Pearson/Addison-Wesley, 2009
Multimedia
Woodbury, George, author
Pearsons Addison-Wesley, 2008
Buku Teks
Sobel, Max A., author
Prentice-Hall, 1980
Buku Teks