Lucking, Richard C., author
John Wiley & Sons, 1980
Buku Teks
Miller, Charles D., author
Pearson Education, 2009
Multimedia
Rosenberg, R. Robert, author
Greg and Comm, 1975
Buku Teks
Knox, David M., author
McGraw-Hill, 1990
Buku Teks
Cissell, Robert, author
Houghton Mifflin, 1964
Buku Teks