Hanly, Jeri R., author
Pearson, 2007
Buku Teks
Schneider, G. Michael, author
John Wiley & Sons, 1982
Buku Teks
Savitch, Walter, author
Addison-Wesley, 2001
Buku Teks
Schneider, G. Michael, author
John Wiley & Sons, 1978
Buku Teks
Schneider, G. Michael, author
John Wiley & Sons, 1982
Buku Teks