Suranyi-Unger, T. (1952). Comparative economic systems. McGraw-Hill.
Cita Chicago (17th ed.)Suranyi-Unger, Theo. Comparative Economic Systems. New York: McGraw-Hill, 1952.
Cita MLA (9th ed.)Suranyi-Unger, Theo. Comparative Economic Systems. McGraw-Hill, 1952.
Atenció: Aquestes cites poden no estar 100% correctes.