edited by Peter Taylor-Gooby
Oxford University Press, 2013
Buku Teks
Kay, Adrian.
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Buku Teks
Boyes, William J.
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Buku Teks
Smith, Kevin
Westview Press, Boston, Massachusetts : Credo Reference, 2013
Buku Teks
Kurihara, Kenneth K.
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Buku Teks