Drozdek, Adam, author
Brooks Cole, 2000
Buku Teks
Weiss, Mark Allen
The Benjamins/Cummings Publishing Company, Inc. , 1994
Buku Teks SO
Lafore, Robert, author
SAMS, 2003
Buku Teks
Goodrich, Michael T., author
John Wiley & Sons, 2011
Buku Teks
Goodrich, Michael T., author
John Wiley & Sons, 2001
Buku Teks SO