Hymes, Dell H.
Taylor and Francis Inc., 1996
Buku Teks
Chris Montgomery, editor; Emma Moore, editor
Cambridge University Press, 2017
Buku Teks
edited by P. McConvell and N. Evans
Oxford University Press, 1997
Buku Teks
Jufrizal
Graha Ilmu, 2018
Buku Teks
edited by Archibald A. Hill
Voice of America, 1969
Buku Teks