Hoeffler, A., & Collier, P. (2002). Greed and grievance in civil wars. University of Oxford.
Cita Chicago (17th ed.)Hoeffler, A., i P. Collier. Greed and Grievance in Civil Wars. University of Oxford, 2002.
Cita MLA (9th ed.)Hoeffler, A., i P. Collier. Greed and Grievance in Civil Wars. University of Oxford, 2002.
Atenció: Aquestes cites poden no estar 100% correctes.