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
Mints, Lloyd W.
A history of banking theory in Great Britain and the United States
University of Chicago Press, 1956
 Buku Teks
Mowbray, Albert H.
Insurance its theory and practice in the United States
McGraw-Hill, c1969
 Buku Teks