Frankel, Joseph
Oxford University Press, 1964
Buku Teks
Frankel, Joseph
bina Aksara, 1988
Buku Teks
Griffith, Martin, author
Routledge, 2002
Buku Teks
edited by Beth A. Simmons and Richard H. Steinberg
Cambridge University Press, 2006
Buku Teks
Deutsch, Karl Wolfgang, 1912-1992, author
Prentice-Hall, 1988
Buku Teks