Dessler, Gary, 1942-, author
Prentice-Hall, 2003
Buku Teks
Cushway, Barry
Elex Media Komputindo, 1996
Buku Teks
Raymond, Noe, author
McGraw-Hill, 2003
Buku Teks
Jernigan, Dale Kayser, author
Appleton & Lange, 1988
Buku Teks
Bohlander, George W., author
South Western Cengage Learning, 2013
Buku Teks