Alexander, Jeffrey C., author
Polity Press, 2017
Buku Teks
Deb, Sibnath, author
Sage, 2019
Buku Teks
Zheng Yangwen, author
Cambridge University Press, 2005
eBooks
edited by Nigel Gilbert
Sage, 2003
Buku Teks
Lauer, Robert H., author
McGraw-Hill, 2014
Buku Teks