Wass, D. Decline to fall. Oxford University Press.
Chicagoスタイル(17版)引用形式Wass, Douglas. Decline to Fall. Oxford University Press.
MLA(8版)引用形式Wass, Douglas. Decline to Fall. Oxford University Press.
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