APA aipamena

(1991). Eco trends: Japan's response to environmental concerns. U.S.A: The Nikkel Weekly.

Chicago Style aipamena

Eco Trends: Japan's Response to Environmental Concerns. U.S.A: The Nikkel Weekly, 1991.

MLA aipamena

Eco Trends: Japan's Response to Environmental Concerns. U.S.A: The Nikkel Weekly, 1991.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.