Collingwood, R. G. (1961). The idea of history. Oxford University Press.
Chicagoスタイル(17版)引用形式Collingwood, Robin George. The Idea of History. Londres: Oxford University Press, 1961.
MLA(9版)引用形式Collingwood, Robin George. The Idea of History. Oxford University Press, 1961.
警告: この引用は必ずしも正確ではありません.