APA引文

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

Trích dẫn kiểu Chicago

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

MLA引文

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

警告：這些引文格式不一定是100％准確.