Hawryszkiewycz, I.T.
Sydney: Prentice Hall, 1994,
Buku Teks
Marcovitz, Alan B.
McGraw-Hill , 2005
Multimedia
Thakore, Shuchen B., author
Tata McGraw-Hill, 2007
Buku Teks
Garland, Harry, author
McGraw-Hill, 1979
Buku Teks
Hawryszkiewycz, Igor Titus, author
Prentice-Hall, 1988
Buku Teks