Gwartney, J. D. (1985). Essentials of Economics (Second Edition). ELSEVIER.
Chicagoスタイル(17版)引用形式Gwartney, James D. Essentials of Economics (Second Edition). ELSEVIER, 1985.
MLA(8版)引用形式Gwartney, James D. Essentials of Economics (Second Edition). ELSEVIER, 1985.
警告: この引用は必ずしも正確ではありません.