Roman, Steven, author
O'Reilly , 1999
Buku Teks
Rob, Peter, author
McGraw-Hill, 2004
Buku Teks
Andersen, Virginia, author
McGraw-Hill, 2003
Buku Teks
Hinkle, Deborah A., author
Glencoe McGraw-Hill, 1998
Buku Teks
edited by Lori L. Driscoll, W. Bede Mitchell
Routledge, 2009
Buku Teks