Παραπομπή APA

Strayer, J. R. (1971). Medieval Statecraft and the parspectives of History. Princeton University Press.

Παραπομπή Chicago Style

Strayer, Joseph R. Medieval Statecraft and the Parspectives of History. New Jersey: Princeton University Press, 1971.

Παραπομπή MLA

Strayer, Joseph R. Medieval Statecraft and the Parspectives of History. Princeton University Press, 1971.