eleish, g. (1962). an introduction to the input- output model. the institute of national planning.
Citazione stile Chigago Style (17a edizione)eleish, g. An Introduction to the Input- Output Model. cairo: the institute of national planning, 1962.
Citatione MLA (9a ed.)eleish, g. An Introduction to the Input- Output Model. the institute of national planning, 1962.