Viksnins, G. J. (1987). Economic systems in historical perspective. Kendal/Hunt Publishing Co.
Chicago Style (17th ed.) CitationViksnins, George J. Economic Systems in Historical Perspective. Kendal/Hunt Publishing Co, 1987.
Cita MLAViksnins, George J. Economic Systems in Historical Perspective. Kendal/Hunt Publishing Co, 1987.
Atenció: Aquestes cites poden no estar 100% correctes.