Post, Gerald V.
MCGraw-Hill , 2003
Multimedia
McLeod, Raymond, author
Pearson Prentice Hall, 2007
Buku Teks
Li, David H., author
Science Research Associates, 1972
Buku Teks
O`Brien, James A., 1936-, author
McGraw-Hill, 2006
Buku Teks
McFarlan, F. Warren (Franklin Warren), author
Rinehart and Winston, 1973
Buku Teks