Price, Wilson T., author
Rinehart Press, 1968
Buku Teks
Katzan, Harry, Jr., author
Auerbach, 1972
Buku Teks
Teufel, Bernd, author
Springer-Verlag, 1991
Buku Teks
Sammet. Jean E., author
Prentice-Hall, 1969
Buku Teks
Tucker, Allen B., author
McGraw-Hill, 1977
Buku Teks