APA
World Bank (Washington D. C.). Human Development Network, .HD week 2000 february 28, 29 and march I. s.l: World Bank.
Chicago
World Bank (Washington D. C.). Human Development Network, .HD week 2000 february 28, 29 and march I. s.l: World Bank.
Harvard
World Bank (Washington D. C.). Human Development Network, .HD week 2000 february 28, 29 and march I. s.l: World Bank.
MLA
World Bank (Washington D. C.). Human Development Network, .s.l: World Bank. .