Crawford, Emily, author
Cambridge University Press , 2015
Buku Teks
Shelton, Dinah L., author
Edward Elgar, cop, 2014
Buku Teks
by Robert Cryer ... [and others]
Cambridge University Press, 2016
Buku Teks
O`Sullivan, Aisling, author
CRC Press, 2017
Buku Teks
Erika De Wet and Jure Vidmar, editors
Oxford university press, 2012
Buku Teks