hansen, b. (1962). output- productivity and value added- productivity. the institute of national planning.
Style de citation Chicago (17e éd.)hansen, bent. Output- Productivity and Value Added- Productivity. cairo: the institute of national planning, 1962.
Style de citation MLA (9e éd.)hansen, bent. Output- Productivity and Value Added- Productivity. the institute of national planning, 1962.
Attention : ces citations peuvent ne pas être correctes à 100%.