APA ציטוט

BEDFORD, K. (2010). ENERGY OUR WORLD: COAL. S.CHAND PUBLISHING.

Chicago Style (17th ed.) Citation

BEDFORD, KATE. ENERGY OUR WORLD: COAL. NEW DELHI: S.CHAND PUBLISHING, 2010.

ציטוט MLA

BEDFORD, KATE. ENERGY OUR WORLD: COAL. S.CHAND PUBLISHING, 2010.