Blackwell Publishing, 2004
Buku Teks
Jockson, Gerald, author
Nias Press, 2009
Buku Teks
Gardiner, Eileen, author
Cambridge University Press, 2015
Buku Teks
Gardiner, Eileen, author
Cambridge University Press, 2015
Buku Teks
Berry, David M. (David Michael), author
Polity Press, 2017
Buku Teks