Heine, Bernd
Cambridge University Press, 2005
Buku Teks
Aitchison, Jean, 1938-
Cambridge University Press, 2013
Buku Teks
Aitchison, Jean, 1938-
Cambridge University Press, 2001
Buku Teks
Keller, Rudi
Routledge, 1994
Buku Teks
Cambridge University Press, 2010
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