APA aipamena

Japan Environment Agency. (1978). Quality of the environment in Japan. Environment Agency.

Chicago Style aipamena

Japan Environment Agency. Quality of the Environment in Japan. Japan: Environment Agency, 1978.

MLA aipamena

Japan Environment Agency. Quality of the Environment in Japan. Environment Agency, 1978.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.