Wooldridge, Jeffrey M., 1960-, author
South-Western College, 2000
Buku Teks
Ramanathan, Ramu, author
Orlandno Harcourt Brace Jovanovich College, 1992
Buku Teks
Wooldridge, Jeffrey M., 1960-, author
South-Western College, 2000
Buku Teks
Greene, William H., author
Pearson prentice Hall, 2008
Buku Teks
Greene, William H.
Prentice-Hall, 2000
Multimedia