edited by Tony Buxton, Paul Chapman and Paul Temple
Routledge , 1994
Buku Teks
Sauvain, Philip
Stanley Thornes, 1994
Buku Teks
Florence, P. Sargant, author
Routledge & Kegan Paul, 1957
Buku Teks
Ade Siti Chadidjah Ganie, author
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2002
UI - Tesis (Membership)
Scherer, F. M., author
Rand McNally , 1970
Buku Teks