APA aipamena

(1980). Quality of the environment in Japan 1980. Japan: Environment Agency.

Chicago Style aipamena

Quality of the Environment in Japan 1980. Japan: Environment Agency, 1980.

MLA aipamena

Quality of the Environment in Japan 1980. Japan: Environment Agency, 1980.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.