Winkler, Greg, author
McGraw-Hill, 2011
Buku Teks
Cottrell, Michelle, author
John Wiley & Sons, 2011
Buku Teks
Kubba, Sam, author
Elsevier, 2010
Buku Teks
Kubba, Sam, author
Buth-Helnemn, 2012
Buku Teks
Reeder, Linda, author
John Wiley & Sons Inc, 2010
Buku Teks