edited Graham R. Walden
Sage, 2012
Buku Referensi
Fern, Edward F., author
Sage, 2001
Buku Teks SO
edited by Ruth Wodak
Sage, 2013
Buku Teks
Yves Gambier, Luc van Doorslaer
John Benjamins Pub. Co, 2010
Buku Teks
Jack M. Sasson, Johan Baines, Gary Beckman, Karen S. Rubinson, editor
Charles Scribner's Sons, 1995
Buku Referensi