Kohler, H. (1997). Economic systems and human welfare: A global survey. Cincinnati, Ohio: South-Western College.
Παραπομπή Chicago StyleKohler, Heinz. Economic Systems and Human Welfare: A Global Survey. Cincinnati, Ohio: South-Western College, 1997.
Παραπομπή MLAKohler, Heinz. Economic Systems and Human Welfare: A Global Survey. Cincinnati, Ohio: South-Western College, 1997.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.