Posner, Richard A.
Harvard University Press, 1999
Buku Teks
Posner, Richard A., author
Harvard University Press, 2002
Buku Teks
Friedmann, Wolfgang, 1907-1972, author
Stevens & Sons, 1949
Buku Teks
Friedmann, Wolfgang, 1907-1972, author
Columbia University Press, 1967
Buku Teks
Friedman, Milton, 1912-2006, author
Steven & Sons, 1953
Buku Teks