Jaensch, Dean Harold
[publisher not identified], 1977
Buku Teks
Friedrich, Carl Joachim
McGraw-Hill, 1963
Buku Teks
Robinson, Donald L.
Westview Press, 1989
Buku Teks
Tutik Rachmawati, author
universitas katolik parahyangan, faculty of social and politics sciences, 2015
Artikel Jurnal
Tutik Rachmawati, author
universitas katolik parahyangan, faculty of social and politics sciences, 2015
Artikel Jurnal