Blackorby, C., & Donaldson, D. (1987). Cash versus kind, self-selection, and efficient transfers. Department of Economics, University of British Columbia.
Chicago-viite (17. p.)Blackorby, Charles, ja David Donaldson. Cash Versus Kind, Self-selection, and Efficient Transfers. Vancouver, Canada: Department of Economics, University of British Columbia, 1987.
MLA-viite (9. p.)Blackorby, Charles, ja David Donaldson. Cash Versus Kind, Self-selection, and Efficient Transfers. Department of Economics, University of British Columbia, 1987.
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