Oxford University Press, 2005
Buku Teks
Bishop, Matt, author
Addison-Wesley, 2003
Buku Teks
Speser, Phyllis L., author
John Wiley & Sons, 2006
Buku Teks
Lyman, Michael D., author
Pearson/Prentice Hall, 2005
Buku Teks
Nahavandi, Afsaneh, author
Pearson/Prentice Hall, 2009
Buku Teks