Dyfyniad APA

Gardiner,Patrick. (1961). The nature of historical explanation. Oxford University Press.

Dyfyniad Arddull Chicago

Gardiner,Patrick. The Nature of Historical Explanation. London: Oxford University Press, 1961.

Dyfyniad MLA

Gardiner,Patrick. The Nature of Historical Explanation. Oxford University Press, 1961.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.