APA引文

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.

MLA引文

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

警告：這些引文格式不一定是100％准確.