Maynard, Jeff, author
Butterworth, 1983
Buku Teks
Inman, Don, author
John Wiley & Sons, 1981
Buku Teks
Longkutoy, John J., author
Mutiara Sumber Widya, 1987
Buku Teks
Longkutoy, John J., author
Mutiara Sumber Widya, 1985
Buku Teks
Finkel, LeRoy, author
John Wiley & Sons, 1981
Buku Teks