Duntemann, Jeff, author
Scott, Foresman and Company, 1986
Buku Teks
Nasution, Amrinsyah, author
Erlangga, 1989
Buku Teks
Abdul Kadir, author
Andi, 1991
Buku Teks
Wood, Steve, author
McGraw-Hill, 1988
Buku Teks
Stivison, Douglas S., author
Indomicros, 1987
Buku Teks