Collier, P., & Lal, D. (1992). Why Poor People Get Rich: Kenya 1960-79. Elgar.
Chicago-čujuhus (17. p.)Collier, P., juo D. Lal. Why Poor People Get Rich: Kenya 1960-79. Elgar, 1992.
MLA-čujuhus (9. p.)Collier, P., juo D. Lal. Why Poor People Get Rich: Kenya 1960-79. Elgar, 1992.
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