Caplan, R. (2009). When is it Right to Fight? German Council on Foreign Relations.
Chicagoスタイル(17版)引用形式Caplan, R. When Is It Right to Fight? German Council on Foreign Relations, 2009.
MLA(9版)引用形式Caplan, R. When Is It Right to Fight? German Council on Foreign Relations, 2009.
警告: この引用は必ずしも正確ではありません.