Cooke, Robert, author
John Wiley, 2005
Buku Teks
Weinstein, David A., author
John Wiley & Sons, 1987
Buku Teks
Armey, Dick
Fawcett Columbine, 1996
Buku Teks
Crowley, Thomas E., 1948-, author
John Wiley & Sons, 1994
Buku Teks
Rochrlich, Chester, author
M. Bender, 1958
Buku Teks