Não informado. (1960). Swedish economy. National Institute of Economic Research.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Swedish Economy. Stockholm: National Institute of Economic Research, 1960.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Swedish Economy. National Institute of Economic Research, 1960.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.