World Bank. (2000). Procurement of health sector goods: Pharmaceuticals, vaccines, and condoms. World Bank.
Chicago-viite (17. p.)World Bank. Procurement of Health Sector Goods: Pharmaceuticals, Vaccines, and Condoms. Washington, D.C.: World Bank, 2000.
MLA-viite (9. p.)World Bank. Procurement of Health Sector Goods: Pharmaceuticals, Vaccines, and Condoms. World Bank, 2000.
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