APA citiranje

LEVETE, S. (2010). ENERGY OUR WORLD: GAS. S.CHAND PUBLISHING.

Chicago Style (17th ed.) Citation

LEVETE, SARAH. ENERGY OUR WORLD: GAS. NEW DELHI: S.CHAND PUBLISHING, 2010.

MLA citiranje

LEVETE, SARAH. ENERGY OUR WORLD: GAS. S.CHAND PUBLISHING, 2010.