Wooldridge, Susan
John Wiley & Sons, 1973
Buku Teks
Dany Pus Apriyanto
Fakultas Ilmu Komputer Universitas Indonesia, 2017
UI - Tugas Akhir
Awad, Elias M.
Prentice-Hall, 1966
Buku Teks
Fried, Louis
Reston Publishing, 1979
Buku Teks
Vazsonyi, Andrew
Richard D. Irwin, 1980
Buku Teks