Laffont, Jean-Jacques, author
Harvard University Press, 1980
Buku Teks
Emerald, 2016
eBooks
Klir, George J., author
Prentice-Hall, 1988
Buku Teks
Harvard Business School Press, 1999
Buku Teks
Malhotra, Inder
UBSPD Publishers' Distributor, Ltd, 1991
Buku Teks