Saussure, Ferdinand de, 1857-1913, author
Open Court , 1986
Buku Teks
Aitchison, Jean, 1938-, author
Contemporary Books, 2008
Buku Teks
Salverda, Reinier, author
University College London, 1990
Buku Teks
Victoria A. Fromkin
Blackwell Publishers, 2001
Buku Teks
Aitchison, Jean, 1938-, author
Hodder & Stoughton , 1992
Buku Teks