Cita APA (7th ed.)

OXLADE, C. (2010). ENERGY OUR WORLD: WATER POWER. S.CHAND PUBLISHING.

Cita Chicago (17th ed.)

OXLADE, CHRIS. ENERGY OUR WORLD: WATER POWER. NEW DELHI: S.CHAND PUBLISHING, 2010.

Cita MLA (9th ed.)

OXLADE, CHRIS. ENERGY OUR WORLD: WATER POWER. S.CHAND PUBLISHING, 2010.