APA aipamena

Ganshof, F. L. (1968). The middle ages: A history of international relations. Harper & Row.

Chicago Style aipamena

Ganshof, Francois L. The Middle Ages: A History of International Relations. New York: Harper & Row, 1968.

MLA aipamena

Ganshof, Francois L. The Middle Ages: A History of International Relations. Harper & Row, 1968.