Gary Burns, editor
Wiley Balckwell, 2016
Buku Teks
Lynch, Gordon, author
Blackwell Publishing, 2005
Buku Teks
Storey, John, 1950-, author
Prentice-Hall, 2000
Buku Teks
edited by Alan McKee
Blackwell , 2007
eBooks
Editor by Allen Ellis
The Hawarth Press, 1992
Buku Teks