O'Hanlon, M. (2017). Beyond NATO: A New Security Architecture for Eastern Europe. Brookings Institution Press.
Chicagoスタイル(17版)引用形式O'Hanlon, Michael. Beyond NATO: A New Security Architecture for Eastern Europe. Brookings Institution Press, 2017.
MLA(9版)引用形式O'Hanlon, Michael. Beyond NATO: A New Security Architecture for Eastern Europe. Brookings Institution Press, 2017.
警告: この引用は必ずしも正確ではありません.