Collier, P., Hoeffler, A., & Rohner, D. (2009). Beyond greed and grievance: Feasibility and civil war.
Lua i Stíl Chicago (17ú heag.)Collier, P., A. Hoeffler, agus D. Rohner. Beyond Greed and Grievance: Feasibility and Civil War. 2009.
Lua MLA (9ú heag.)Collier, P., et al. Beyond Greed and Grievance: Feasibility and Civil War. 2009.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.