United Nations. (1982). Coastal area management and development. Pergamon Press.
Chicago Style aipamenaUnited Nations. Coastal Area Management and Development. Oxford : New York: Pergamon Press, 1982.
MLA aipamenaUnited Nations. Coastal Area Management and Development. Pergamon Press, 1982.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.