Jessup, Philip Caryl, 1897-1986
Transnational law
Yale University Press, 1956
 Buku Teks
Hannerz, Ulf
Transnational connections
Routledge, 1996
 Buku Teks
Becker, Christian U.
Sustainability ethics and sustainability research
Springer, 2012
 eBooks
Montesquieu, Charles de Secondat,1689-1755
The spirit of the laws
Hafner Press, 1949
 Buku Teks
Collier, John Greenwood
Conflict of laws
Cambridge University Pers, 1994
 Buku Teks