APA aipamena

World energy council. (1994). New renewable energy resources. Kogan page.

Chicago Style aipamena

World energy council. New Renewable Energy Resources. Kogan page, 1994.

MLA aipamena

World energy council. New Renewable Energy Resources. Kogan page, 1994.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.