Japan Environment Agency. (1997). Quality of the environment in Japan. Environment Agency.
Citazione stile Chigago Style (17a edizione)Japan Environment Agency. Quality of the Environment in Japan. Japan: Environment Agency, 1997.
Citatione MLA (9a ed.)Japan Environment Agency. Quality of the Environment in Japan. Environment Agency, 1997.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.