APA aipamena

Collier, P., & Hoeefler, A. (2003). Military expenditure: Threats, aid, and arms races. Development Research Group, World Bank.

Chicago Style aipamena

Collier, Paul, and Anke Hoeefler. Military Expenditure: Threats, Aid, and Arms Races. Washington, D.C: Development Research Group, World Bank, 2003.

MLA aipamena

Collier, Paul, and Anke Hoeefler. Military Expenditure: Threats, Aid, and Arms Races. Development Research Group, World Bank, 2003.