Schiffman, Harold F., author
Routledge, 1996
Buku Teks
edited by Ralph Ludwig, Peter Mühlhäusler and Steve Pagel
Cambridge University Press, 2019
Buku Teks
A. Chaedar Alwasilah, author
Andira, 2002
Buku Teks
Ahearn, Laura M. author
John Wiley & Sons, Incorporated,, 2016
Buku Teks
Cambridge University Press, 2004
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