Thijs Van de Graaf, Benjamin K. Sovacool, Arunabha Ghosh, Florian Kern, Michael T. Klare, editors
Macmillan, 2016
Buku Teks
Bellinger, William Kenneth, author
Routledge, 2007
Buku Teks
CRC Press, 2007
Buku Teks
Smith, Michael J., author
Oxford University Press, 2010
Buku Teks
Edited by John Hogan, Michael Howlett
Palgrave Macmillan, 2015
Buku Teks