Mizon, Bob, author
[Springer, ], 2012
eBooks
Sobel, Michael I., author
University of Chicago, 1987
Buku Teks
Mansfield, Peter, author
Optima , 1995
Buku Teks
Harris, Donald, author
Cambridge University Press, 2005
Buku Teks
Lewis, Clive, author
Thomson Reuters, 2009
Buku Teks