Somerson, Paul
Bantam Books , 1990
Buku Teks
Gear, C. William (Charles William), 1935-, author
McGraw-Hill, 1985
Buku Teks
Siswanto, author
Elex Media Komputindo , 1993
Buku Teks
Jones, Capers, author
McGraw-Hill, 1986
Buku Teks
Astrachan, Owen L., author
McGraw-Hill, 2000
Buku Teks