Marton, Ference
Lawrence Erlbaum Associates, 2004
Buku Teks
edited by Teun A. Van Dijk
Sage, 1997
Buku Teks SO
Herman, Vimala
Routledge, 1995
Buku Teks SO
Cambridge University Press, 2020
eBooks
edited by Deborah Schiffrin, Deborah Tannen, and Heidi E. Hamilton
Blackwell , 2001
eBooks