ECONOMIST NEWSPAPERS LTD. (1997). POCKET WORLD IN FIGURES. ECONIMIST NEWSPAPERS LTD.
Citazione stile Chigago Style (17a edizione)ECONOMIST NEWSPAPERS LTD. POCKET WORLD IN FIGURES. LONDON: ECONIMIST NEWSPAPERS LTD, 1997.
Citatione MLA (9a ed.)ECONOMIST NEWSPAPERS LTD. POCKET WORLD IN FIGURES. ECONIMIST NEWSPAPERS LTD, 1997.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.