frisch, r. (1963). investment requirements under a given time shape of current final demand. National Planning Institute.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रfrisch, ragnar. Investment Requirements Under a Given Time Shape of Current Final Demand. cairo: National Planning Institute, 1963.
एमएलए (9वां संस्करण) प्रशस्ति पत्रfrisch, ragnar. Investment Requirements Under a Given Time Shape of Current Final Demand. National Planning Institute, 1963.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.