Dyfyniad APA

Ullmann, W. (1965). History of Political Thought: The Middle Ages. Penguin.

Dyfyniad Arddull Chicago

Ullmann, Walter. History of Political Thought: The Middle Ages. England: Penguin, 1965.

Dyfyniad MLA

Ullmann, Walter. History of Political Thought: The Middle Ages. Penguin, 1965.

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