APA
The World Bank (Washington), Chambers R. & Narayan D. (2000). Voices of the poor. Oxford: Oxford University Press.
Chicago
The World Bank (Washington), Chambers Robert and Narayan Deepa. 2000. Voices of the poor. Oxford: Oxford University Press.
Harvard
The World Bank (Washington), Chambers R. and Narayan D. (2000). Voices of the poor. Oxford: Oxford University Press.
MLA
The World Bank (Washington), Chambers Robert and Narayan Deepa. Voices of the poor. Oxford: Oxford University Press. 2000.