APA
World Health Organization U. W. B. &. W. s. p. f. r. &. t. i. T. D. (. T. )., . (1997). Tropical disease research. WHO, Geneva: .
Chicago
World Health Organization UNDP World Bank & WHO special programme for research & training in Tropical Diseases ( TDR ), . 1997. Tropical disease research. WHO, Geneva: .
Harvard
World Health Organization U. W. B. &. W. s. p. f. r. &. t. i. T. D. (. T. )., . (1997). Tropical disease research. WHO, Geneva: .
MLA
World Health Organization UNDP World Bank & WHO special programme for research & training in Tropical Diseases ( TDR ), . Tropical disease research. WHO, Geneva: . 1997.