APA aipamena

(1977). Quality of the environment in Japan 1977. Japan: Environment Agency.

Chicago Style aipamena

Quality of the Environment in Japan 1977. Japan: Environment Agency, 1977.

MLA aipamena

Quality of the Environment in Japan 1977. Japan: Environment Agency, 1977.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.