Cambridge University Press, 1996
Majalah, Jurnal, Buletin
Indonesian Linguistics Society, 2012
Majalah, Jurnal, Buletin
Corder, Stephen Pit, editor
Penguin Books , 1973
Buku Teks
Hunston, Susan, author
Cambridge University Press,, 2006
Buku Teks
Ellis, Sue, editor
Cambridge University Press, 2011
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