Boylestad, Robert L., author
Prentice-Hall, 2000
Buku Teks
Boylestad, Robert L., author
Prentice-Hall, 1994
Buku Teks
Rorabaugh, C. Britton, author
McGraw-Hill, 1992
Buku Teks
Pillage, Lawrence T., author
McGraw-Hill , 1995
Buku Teks
Connelly, J. Alvin
Prentice-Hall, 1992
Buku Teks