APA aipamena

Collier, P., & Hoeffler, A. (2007). Military spending and the risks of coups d'etats.

Chicago Style aipamena

Collier, P., and A. Hoeffler. Military Spending and the Risks of Coups D'etats. 2007.

MLA aipamena

Collier, P., and A. Hoeffler. Military Spending and the Risks of Coups D'etats. 2007.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.