Fairclough, Norman, author
Longman, 1997
Buku Teks
Yves Gambier, Luc van Doorslaer
John Benjamins Pub. Co, 2010
Buku Teks
edited Graham R. Walden
Sage, 2012
Buku Referensi
Wooffitt, Robin, author
Sage , 2014
Buku Teks
Richardson, John E.
Palgrave Macmillan, 2007
Buku Teks