Παραπομπή σε μορφή APA (7η εκδ.)
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.
Παραπομπή σε μορφή Chicago (17η εκδ.)
World Bank, Inc ebrary, και 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.
Παραπομπή σε μορφή MLA (9th εκδ.)
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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