OXLADE, C. (2010). ENERGY OUR WORLD: WATER POWER. S.CHAND PUBLISHING.
Chicago Style aipamenaOXLADE, CHRIS. ENERGY OUR WORLD: WATER POWER. NEW DELHI: S.CHAND PUBLISHING, 2010.
MLA aipamenaOXLADE, CHRIS. ENERGY OUR WORLD: WATER POWER. S.CHAND PUBLISHING, 2010.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.