World Bank. (2000). Procurement of health sector goods: Pharmaceuticals, vaccines, and condoms. World Bank.
Citazione stile Chigago Style (17a edizione)World Bank. Procurement of Health Sector Goods: Pharmaceuticals, Vaccines, and Condoms. Washington, D.C.: World Bank, 2000.
Citatione MLA (9a ed.)World Bank. Procurement of Health Sector Goods: Pharmaceuticals, Vaccines, and Condoms. World Bank, 2000.