Anton, Howard
John Wiley & Sons, 1992
Buku Teks SO
Duren, William L.
Xerox College Publishing, 1972
Buku Teks SO
Thomas, George B.
Addison-Wesley, 1977
Buku Teks SO
Anton, Howard
John Wiley & Sons, 1992
Buku Teks
Edwards, C.H.
Prentice-Hall, 1982
Buku Teks SO