Montgomery, Martin, author
Routledge, 2007
Buku Teks
Baka, Farida, author
Janus Publishing , 1988
Buku Teks
Richardson, John E.
Palgrave Macmillan, 2007
Buku Teks
Schiffrin, Deborah, author
Cambridge University Press, 1996
Buku Teks
Dwi Noverini Djenar, author
Pacific Linguistics, 2007
Buku Teks