edited by Ronnie King
Global Law and Business, 2012
Buku Teks
Hunt, V. Daniel, author
Van Nostrand Reinhold Company, 1982
Buku Referensi
Thijs Van de Graaf, Benjamin K. Sovacool, Arunabha Ghosh, Florian Kern, Michael T. Klare, editors
Macmillan, 2016
Buku Teks
edited by Douglas M. Considine
McGraw-Hill, 1977
Buku Teks
Gerber, Richard, author
Bear & Company, 2001
Buku Teks