Cambridge University Press, 2009
eBooks
edited by Jessica Williams and Bill Van Patten
NY : Routledge, 2015
Buku Teks
Brown, James Dean, author
Cambridge University Press, 1988
Buku Teks
Edited by Alison Mackey, Dudan M. Gass
Wiley-Blackwell, 2012
Buku Teks
Cook, Vivian, author
ARNOLD, 2001
Buku Teks