Ross, Peter, author
Addison-Wesley, 1989
Buku Teks
Clark, K.L., author
Prentice-Hall, 1984
Buku Teks
Edited by Leon S. Sterling
Camberidge University Press , 1990
Buku Teks
O`Keefe, Richard A., author
MIT Press, 1990
Buku Teks
Dobry, T.P., 1953, author
Kluwer, 1990
Buku Teks