Leonard, J Martin, author
Teach Yourself Books, 1974
Buku Teks
Bowley, Arthur, author
Staples Press, 1948
Buku Teks
Freund, John E., author
Pearson Education, 2007
Multimedia
Savage, I. Richard, author
Houghton Mifflin, 1968
Buku Teks
Aczel, Amir D., author
Irwin, 1995
Buku Teks