edited by Sadao Tamura and Minoru Tokita
Routledge, 2016
Buku Teks
Rourke, Francis E., author
Little, Brown, 1979
Buku Teks
Niskanen, William A.
Aldine - Atherton, 1971
Buku Teks
Meier, Kenneth J., author
Thomson wadsworth, 2007
Buku Teks SO
Phelps, Edmund S.
Orton & Co , 1962
Buku Teks