Center for the Study of Language and Information, 1992
Buku Teks
Troubetzkoy, N.S.
C. Klincksieck, 1949
Buku Teks
Spencer, Andrew, author
[Cambridge University Press, Cambridge University Press], 2012
eBooks
Cambridge University Press, 2005
eBooks
Ruzui, Septy
Dewan Bahasa dan Pustaka, 1968
Buku Teks