Hovell, John F., author
Prentice-Hall, 1995
Buku Teks
Eko Tjahjono, author
Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Indonesia, 1993
UI - Skripsi (Membership)
Tucker, Allen B., author
Holt Rinehart and Winston, 1983
Buku Teks
Findlay, William, 1947-, author
Computer Science Press, 1987
Buku Teks
Harms, Edward, author
John Wiley & Sons, 1977
Buku Teks