Buchanan, James M., author
Liberty Fund, 2002
Buku Referensi
Buchanan, James M., author
Liberty Fund, Inc., 1999
Buku Referensi
Buchanan, James M., author
Liberty Fund, 2001
Buku Referensi
Buchanan, James M., author
Liberty Fund, Inc., 2001
Buku Referensi
Smith, Daniel A.
Routledge, 1998
Buku Teks