øller. The Veil of Circumstance. ISEAS–Yusof Ishak Institute.
Chicagoスタイル(17版)引用形式øller. The Veil of Circumstance. ISEAS–Yusof Ishak Institute.
MLA(9版)引用形式øller. The Veil of Circumstance. ISEAS–Yusof Ishak Institute.
警告: この引用は必ずしも正確ではありません.