Clift, Rebecca, author
Cambridge University Press, 2016
Buku Teks
Asher, Nicholas, author
Cambridge University Press, 2003
Buku Teks
edited by Hedwig te Molder, Jonathan Potter
Cambridge University Press, 2005
Buku Teks
The Commercial Press, 1938
Buku Referensi
Fan, Hung, author
Jones And Bartlett Publishers, 2003
Buku Teks