(1984). Third world resource directory: A guide to organizations and publication. Orbis.
Chicago Style (17th ed.) ZitazioaThird World Resource Directory: A Guide to Organizations and Publication. New York: Orbis, 1984.
MLA (9th ed.) ZitazioaThird World Resource Directory: A Guide to Organizations and Publication. Orbis, 1984.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.