Batten, Jack
Penguin Books, 1985
Buku Teks
Nasution, Adnan Buyung, 1934-, author
Aksara Karunia, 2004
Buku Teks
disusun oleh R. Rambe, Teguh Trimulyanto
[publisher not identified], 1991
Buku Teks
Nasution, Adnan Buyung, 1934-, author
Aksara Karunia, 2004
Buku Teks
Gilson, Christopher C.
Aspen Systems Corporation, 1979
Buku Teks