Benjamin McLellan, editor
Springer, 2018
Buku Teks
edited by Bob Everett, Godfrey Boyle, Stephen Peake and Janet Ramage
Oxford University Press, 2012
Buku Teks
edited by Sanda Renko, Almir Pestek
Emerald, 2017
eBooks
Elliott, David, author
Routledge , 1997
Buku Teks
Coley, David, author
John Wiley & Sons, 2008
Buku Teks