tinbergen, j. (1962). the appraisal of investment projects: The semi input- output method. the institute of national planning.
Citazione stile Chigago Style (17a edizione)tinbergen, jan. The Appraisal of Investment Projects: The Semi Input- Output Method. cairo: the institute of national planning, 1962.
Citatione MLA (9a ed.)tinbergen, jan. The Appraisal of Investment Projects: The Semi Input- Output Method. the institute of national planning, 1962.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.