Yule, George, author
Cambridge Cambridge University , 2006
Buku Teks
Bloomfield, Leonard, author
Gramedia Pustaka Utama, 1995
Buku Teks
Hayakawa, S.I., author
Harcourt, Brace, 1940
Buku Teks
McArthur, Tom (Thomas Burns), author
Cambridge University Press, 1983
Buku Teks
Lyons, John, author
Cambridge University Press, 1991
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