Kinloch, Graham C., author
Prentice-Hall, 1981
Buku Teks
Brzezinski, Zbigniev K., author
Frederick A. Praeger, 1962
Buku Teks
Zima, Peter V.
Amstedam John Benjamins B.V. 1981
Buku Teks
by Kenneth R. Hoover ... [and others]
Cengage Learning, 2004
Buku Teks
Cambridge University Press, 2012
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