Banks, Marcus, author
Sage, 2015
Buku Teks
Moser, Claus A., author
Heineman Education Books, 1979
Buku Teks
Forcese, Dennis P., author
Prentice-Hall, 1973
Buku Teks
Dooley, David, author
Prentice-Hall, 2001
Buku Teks
Simon, Julian L.
Random House , 1978
Buku Teks