Hymes, Dell H., author
Amsterdam John Benjamins 1983
Buku Teks
edited by Henrika Kuklick
Blackwell Pub, 2008
Buku Teks
Mair, Lucy, author
University of London, 1969
Buku Teks
Nadel, S.F. (Siegfried Frederick), author
The Free Press of Glencoe, 1964
Buku Teks
Hammond, Peter, author
Macmillan, 1978
Buku Teks