Dofka, Charline M.
Delmar, Cengage Learning, 2007
Buku Teks
Dofka, Charline M.
Delmar Cengage Learning, 2013
Buku Teks
Moini, Jahangir
Delmar Cengage Learning, 2010
Buku Teks
Dofka, Charline M
Thomson Delmar Learning, 2007
Multimedia
Brown, Gordon W.
Prentice-Hall, 1990
Buku Referensi