Bems, R. (2008). Aggregate Investment Expenditures on Tradable and Nontradable Goods. International Monetary Fund.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBems, Rudolfs. Aggregate Investment Expenditures on Tradable and Nontradable Goods. Washington, D.C.: International Monetary Fund, 2008.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBems, Rudolfs. Aggregate Investment Expenditures on Tradable and Nontradable Goods. International Monetary Fund, 2008.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.