Martin, Stephen, 1961-, author
Blacwell Publisher, 2002
Buku Teks
North, Douglass C.
Harper & Row, 1971
Buku Teks
Tremblay, Victor J., author
[Springer, ], 2012
eBooks
Martin, Stephen, 1961-, author
Maxwell Macmillan International, 1994
Buku Teks
Burgess, Giles H., author
Prentice-Hall, 1989
Buku Teks