Stevens, Roger T.
M&T, 1988
Buku Teks
[place of publication not identified]: [publisher not identified], [date of publication not identified]
Buku Teks
Kelley, Al.
The Benjamin Cumming Pub., 1984
Buku Teks
Plum, Thomas
Prentice-Hall, 1984
Buku Referensi
Deitel, Harvey M., 1945-
Pentice Hall, 2004
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