Esler, A. (1977). Forbidden city. Futura Publications.
Chicagoスタイル(17版)引用形式Esler, Anthony. Forbidden City. London: Futura Publications, 1977.
MLA(9版)引用形式Esler, Anthony. Forbidden City. Futura Publications, 1977.
警告: この引用は必ずしも正確ではありません.
APA(7版)引用形式