Kinloch, Graham C., author
Prentice-Hall, 1981
Buku Teks
Brzezinski, Zbigniev K., author
Frederick A. Praeger, 1962
Buku Teks
Murphy, Craig, author
West View Press, 1984
Buku Teks
Zima, Peter V.
Amstedam John Benjamins B.V. 1981
Buku Teks
by Kenneth R. Hoover ... [and others]
Cengage Learning, 2004
Buku Teks