Hoeffler, A., & Collier, P. (2002). Greed and grievance in civil wars. University of Oxford.
Lua i Stíl Chicago (17ú heag.)Hoeffler, A., agus P. Collier. Greed and Grievance in Civil Wars. University of Oxford, 2002.
Lua MLA (9ú heag.)Hoeffler, A., agus P. Collier. Greed and Grievance in Civil Wars. University of Oxford, 2002.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.