APA সাইটেশন

O’Hanlon, M. E. (2009). Budgeting for hard power: Defense and security spending under Barack Obama. Brookings Institution Press.

শিকাগো স্টাইলে সাইটেশন

O’Hanlon, Michael E. Budgeting for Hard Power: Defense and Security Spending Under Barack Obama. Brookings Institution Press, 2009.

এমএলএ সাইটেশন

O’Hanlon, Michael E. Budgeting for Hard Power: Defense and Security Spending Under Barack Obama. Brookings Institution Press, 2009.