Collier, P. (2006). Is Aid Oil? An Analysis of Whether Africa Can Absorb More Aid. Elsevier.
Citazione stile Chigago Style (17a edizione)Collier, P. Is Aid Oil? An Analysis of Whether Africa Can Absorb More Aid. Elsevier, 2006.
Citatione MLA (9a ed.)Collier, P. Is Aid Oil? An Analysis of Whether Africa Can Absorb More Aid. Elsevier, 2006.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.