Nelson, Kay Yarborough, author
McGraw-Hill, 1995
Buku Teks
Arnush, Craig, author
Sams Pub., 1995
Buku Teks
Beckett, H.E.
Van Nostrand Reinhold, 1974
Buku Teks
Coakes, Sheridan J., author
John Wiley & Sons, 2003
Buku Teks
Diki Septanto, author
Elex Media Komputindo , 1998
Buku Teks