The human right to water: theory, practice and prospects
Cambridge University Press, 2017
 eBooks
Baumol, William J.
Welfare economics and the theory of states
Mass. Harvard University Press, 1952
 Buku Teks
Prospects
Paris : The United Nations Educational
 Majalah, Jurnal, Buletin
Mowbray, Albert H.
Insurance its theory and practice in the United States
McGraw-Hill, c1969
 Buku Teks
Mints, Lloyd W.
A history of banking theory in Great Britain and the United States
University of Chicago Press, 1956
 Buku Teks