edited by Joseph E. Stiglitz
MIT Press, 1966
Buku Teks
Robinson, Joan, author
Basil Blackwell, 1960
Buku Teks
Taylor, O.H., author
Harvard University Press, 1955
Buku Teks
Wicksteed, Philip Henry, 1844-1927, author
Augus M. Kelley, 1950
Buku Teks
Buchanan, James M., author
Liberty Fund, Inc., 2000
Buku Referensi