Kohler, H. (1968). Scarcity challenged: An introduction to economics.
Chicago Edition CitationKohler, Heinz. Scarcity Challenged: An Introduction to Economics. 1968.
Cita MLAKohler, Heinz. Scarcity Challenged: An Introduction to Economics. 1968.
Atenció: Aquestes cites poden no estar 100% correctes.