APA引文

ECONOMIST NEWSPAPERS LTD. (1997). POCKET WORLD IN FIGURES. ECONIMIST NEWSPAPERS LTD.

Chicago Style (17th ed.) Citation

ECONOMIST NEWSPAPERS LTD. POCKET WORLD IN FIGURES. LONDON: ECONIMIST NEWSPAPERS LTD, 1997.

MLA引文

ECONOMIST NEWSPAPERS LTD. POCKET WORLD IN FIGURES. ECONIMIST NEWSPAPERS LTD, 1997.