Glenn, Walter J., author
Sams, 2000
Buku Referensi
Hinkle, Deborah A., author
Glencoe McGraw-Hill, 1998
Buku Teks
Cram, Carol M., author
Cengage Learning , 2012
Buku Teks
Levine, David M., 1946-, author
Prentice-Hall, 1999
Multimedia
Hinkle, Deborah A.
MCGraw-Hill , 2002
Multimedia