Schwarz, A. M. (2014). The inverting pyramid: Pension systems facing demographic challenges in Europe and Central Asia. The World Bank.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSchwarz, Anita Mahesh. The Inverting Pyramid: Pension Systems Facing Demographic Challenges in Europe and Central Asia. Washington, District of Columbia: The World Bank, 2014.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSchwarz, Anita Mahesh. The Inverting Pyramid: Pension Systems Facing Demographic Challenges in Europe and Central Asia. The World Bank, 2014.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.