Cheeseman, Henry R.
Pearson - Prentice Hall, 2006
Buku Teks
Cambridge University Press, 2004
Buku Teks
edited by Melanie Frappier, Derek H. Brown and Robert DiSalle
Springer, 2012
eBooks
edited by P.M.S. Hacker and J. Raz
Clarendon Press, 1988
Buku Teks SO
Jennings, Marianne Moody
South Western Cengage Learning, 2012
Buku Teks