by R.I. Downing ... [and others]
Melbourne University Press , 1964
Buku Teks
Marland, Sidney P., author
McGraw-Hill, 1974
Buku Teks
Dewa Ayu Putu Eva Wishanti, author
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2012
UI - Tesis (Open)
Vanderbilt, Arthur T.
Pricenton University Press, 1955
Buku Teks
edited by Asa A. Clark IV ... [and others]
The Johns Hopkins University Press, 1984
Buku Teks