Yap, Wie, author
Andi, 1988
Buku Teks
Mosher, Frederick E., author
McGraw-Hill, 1988
Buku Teks
Burrows, William E., author
MCGraw-Hill , 2003
Buku Teks
Mansfield, Richard, author
Elex Media Komputindo, 2002
Buku Teks
Longkutoy, John J., author
Mutiara Sumber Widya, 1987
Buku Teks