Willoughby, J. (2008). Perils of Empire. International Institute of Islamic Thought.
Chicagoスタイル(17版)引用形式Willoughby, Jay. Perils of Empire. International Institute of Islamic Thought, 2008.
MLA(9版)引用形式Willoughby, Jay. Perils of Empire. International Institute of Islamic Thought, 2008.
警告: この引用は必ずしも正確ではありません.