APA
(1993). World development report 1993 investing in health. Oxford University Press, Oxford: .
Chicago
1993. World development report 1993 investing in health. Oxford University Press, Oxford: .
Harvard
(1993). World development report 1993 investing in health. Oxford University Press, Oxford: .
MLA
World development report 1993 investing in health. Oxford University Press, Oxford: . 1993.