APA (7 वां संस्करण) प्रशस्ति पत्र
World Bank, ebrary, Inc, & Gragnolati, M. (2011). Growing old in an older Brazil: Implications of population ageing on growth, poverty, public finance, and service delivery. World Bank.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
World Bank, Inc ebrary, और Michele Gragnolati. Growing Old in an Older Brazil: Implications of Population Ageing on Growth, Poverty, Public Finance, and Service Delivery. Washington D.C.: World Bank, 2011.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
World Bank, et al. Growing Old in an Older Brazil: Implications of Population Ageing on Growth, Poverty, Public Finance, and Service Delivery. World Bank, 2011.
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