Katz, Fred E., editor
Random House , New York Random House
Buku Teks
Whitman, Jim, author
Routledge, 2005
Buku Teks
Ingram, W.T., author
[Springer, ], 2012
eBooks
Russell, Bertrand, 1872-1970, author
Simon and Schuster , 1948
Buku Teks SO
Silbermaan, Charles E., author
Random House, 1978
Buku Teks