Esselstrom, E. Crossing empire's edge. Oxford University Press.
Chicagoスタイル(17版)引用形式Esselstrom, Erik. Crossing Empire's Edge. Oxford University Press.
MLA(8版)引用形式Esselstrom, Erik. Crossing Empire's Edge. Oxford University Press.
警告: この引用は必ずしも正確ではありません.