frisch, r. (1963). investment requirements under a given time shape of current final demand. National Planning Institute.
Citazione stile Chigago Style (17a edizione)frisch, ragnar. Investment Requirements Under a Given Time Shape of Current Final Demand. cairo: National Planning Institute, 1963.
Citatione MLA (9a ed.)frisch, ragnar. Investment Requirements Under a Given Time Shape of Current Final Demand. National Planning Institute, 1963.