APA aipamena

(1974). Problems in transfrontier pollution. Paris: Oranization for Economic Co-operation and Development.

Chicago Style aipamena

Problems in Transfrontier Pollution. Paris: Oranization for Economic Co-operation and Development, 1974.

MLA aipamena

Problems in Transfrontier Pollution. Paris: Oranization for Economic Co-operation and Development, 1974.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.