Tsichritzis, Dionysios C., author
Academic Press, 1977
Buku Teks
Cardenas, Alfonso F., author
Allyn and Bacon, 1979
Buku Teks
Date, C.J., author
North Holland, 1975
Buku Teks
Martin, James, author
Prentice-Hall, 1976
Buku Teks
McNichols, Charles W., author
Prentice-Hall, 1988
Buku Teks