Blanchard, Olivier, author
Pearson, 2009
Buku Teks
Blanchard, Oliver, author
Prentice-Hall, 1997
Buku Teks
Mankiw, N. Gregory, author
Worth, 1994
Buku Teks
Morley, Samuel A., author
The Dryden Press, 1984
Buku Teks
Samuelson, Paul A. (Paul Anthony), 1915-2009, author
New York, 2005
Buku Teks