HALM, G. N. (1968). Economic systems: A comparative analysis. Holt.
Chicagoスタイル(17版)引用形式HALM, George N. Economic Systems: A Comparative Analysis. New York: Holt, 1968.
MLA(9版)引用形式HALM, George N. Economic Systems: A Comparative Analysis. Holt, 1968.
警告: この引用は必ずしも正確ではありません.