(2000). International review for environmental strategies. Institute of Global Environmental Strategies (IGES).
Chicago Style aipamenaInternational Review for Environmental Strategies. Kanagawa: Institute of Global Environmental Strategies (IGES), 2000.
MLA aipamenaInternational Review for Environmental Strategies. Institute of Global Environmental Strategies (IGES), 2000.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.