Dyfyniad APA

Nisbet, R. (1980). History of the Idea of Progress. the Eastern house.

Dyfyniad Arddull Chicago

Nisbet, Robert. History of the Idea of Progress. New York: the Eastern house, 1980.

Dyfyniad MLA

Nisbet, Robert. History of the Idea of Progress. the Eastern house, 1980.

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