Cheng, Harry H.
McGraw-Hill Higher Education, 2010
Buku Teks SO
[place of publication not identified]: [publisher not identified], [date of publication not identified]
Buku Teks SO
Kelley, Al.
The Benjamin Cumming Pub., 1984
Buku Teks SO
Deitel, Harvey M., 1945-
Prentice-Hall, 1992
Buku Teks SO
Harbison, Samuel P.
Prentice-Hall, 1995
Buku Referensi