North, D. C. (1981). Structure and change in economic history. New York: Norton.
Παραπομπή Chicago StyleNorth, Douglass Cecil. Structure and Change in Economic History. New York: Norton, 1981.
Παραπομπή MLANorth, Douglass Cecil. Structure and Change in Economic History. New York: Norton, 1981.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.