Edited by Arthur C. Beck, Jr., Ellis D. Hillmar
Reading, Massachusetts Addicon-Wesley Publishing , 1972
Buku Teks
Faguet, Dmitri, author
John Wiley & Sons, 2003
Multimedia
Banks, Erik, author
John Wiley & Sons, 2003
Buku Teks
Argenti, John, author
Allen & Unwin, 1975
Buku Teks
Burke, Ronald S.
McGraw - Hill , 1981
Buku Teks