Brown, Richard H.
Cambridge University Press, 1977
Buku Teks
Curran, Stuart
Oxford University Press, 1986
Buku Teks
Wessels, Charlyn
Oxford University Press, 1991
Buku Teks
Duarte, Eduardo M.
[Sense, Sense], 2012
eBooks
Joel E. Berends
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 2023
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