McGraw-Hill, Irwin, 2003
Buku Teks
Cushway, Barry
Elex Media Komputindo, 1996
Buku Teks
Raymond, Noe
McGraw-Hill, 2003
Buku Teks
Bohlander, George W.
South Western Cengage Learning, 2013
Buku Teks
by Barry A. Gerhart [and others]
McGraw-Hill Education, 2015
Buku Teks