Boronski, Tomas
Longman Group, 1987
Buku Teks
Nia Sarinastiti, author
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2004
UI - Disertasi (Membership)
Kinloch, Graham C., author
Prentice-Hall, 1981
Buku Teks
McCarthy, E. Doyle, author
Routledge, 1996
Buku Teks
Karen Jensen
Sense, 2012
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