Collier, P. (2006). Is Aid Oil? An Analysis of Whether Africa Can Absorb More Aid. Elsevier.
Čikaški stil citiranja (17. izdanje)Collier, P. Is Aid Oil? An Analysis of Whether Africa Can Absorb More Aid. Elsevier, 2006.
MLA način citiranja (9. izdanje)Collier, P. Is Aid Oil? An Analysis of Whether Africa Can Absorb More Aid. Elsevier, 2006.
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