Ingold, Tim, 1948-
Routledge, 2000
Buku Teks
edited by Prema-chandra Athukorala, Arianto Arif Patunru and Budy P. Resosudarmo
Institute of South East Asia Studies, 2014
eBooks
Youngman, Joan M.
Kluwer Law & Taxation Publishers, 1994
Buku Teks
by Michael C. Brower [and others]
Union of Concerned Scientist, 1993
Buku Teks
Paehlke, Robert C.
MIT Press, 2003
Buku Teks