Blommaert, Jan, author
Routledge, 1998
Buku Teks
Cherry, Deborah, author
Routledge, 2000
Buku Teks
Yalman, Nur, author
I. B. Tauris, 2009
Buku Teks
Mcharen, Peter
Routledge, 1995
Buku Teks
Cahoone, Lawrence E., author
The Pennsylvania state university press, 2005
Buku Teks