World Health Organization. (1997). Tropical disease research: Progress 1995-96 : thirteenth programme report UNDP/World Bank/WHO Special Programme for Research and Training in Tropical Diseases (TDR). World Health Organization.
Chicago-viite (17. p.)World Health Organization. Tropical Disease Research: Progress 1995-96 : Thirteenth Programme Report UNDP/World Bank/WHO Special Programme for Research and Training in Tropical Diseases (TDR). Geneva: World Health Organization, 1997.
MLA-viite (8. p.)World Health Organization. Tropical Disease Research: Progress 1995-96 : Thirteenth Programme Report UNDP/World Bank/WHO Special Programme for Research and Training in Tropical Diseases (TDR). World Health Organization, 1997.
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