Roth, G. J. (1987). The private provision of public services in developing countries. Oxford University Press.
Chicago-viite (17. p.)Roth, Gabriel Joseph. The Private Provision of Public Services in Developing Countries. New York: Oxford University Press, 1987.
MLA-viite (8. p.)Roth, Gabriel Joseph. The Private Provision of Public Services in Developing Countries. Oxford University Press, 1987.
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