Adams, A. V., & Hartnett, T. (1996). Cost sharing in the social sectors of Sub-Saharan Africa: Impact on the poor. World Bank.
Lua i Stíl Chicago (17ú heag.)Adams, Arvil Van, agus Teresa Hartnett. Cost Sharing in the Social Sectors of Sub-Saharan Africa: Impact on the Poor. Washington, D.C: World Bank, 1996.
Lua MLA (9ú heag.)Adams, Arvil Van, agus Teresa Hartnett. Cost Sharing in the Social Sectors of Sub-Saharan Africa: Impact on the Poor. World Bank, 1996.
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