APA aipamena

Hoeffler, A., & Collier, P. (2000). Greed and grievance in civil war. University of Oxford.

Chicago Style aipamena

Hoeffler, A., and P. Collier. Greed and Grievance in Civil War. University of Oxford, 2000.

MLA aipamena

Hoeffler, A., and P. Collier. Greed and Grievance in Civil War. University of Oxford, 2000.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.