Harbury, C. (1982). Workbook in Introductory Economics (Third Edition). ELSEVIER.
Chicagoスタイル(17版)引用形式Harbury, Colin. Workbook in Introductory Economics (Third Edition). ELSEVIER, 1982.
MLA(8版)引用形式Harbury, Colin. Workbook in Introductory Economics (Third Edition). ELSEVIER, 1982.
警告: この引用は必ずしも正確ではありません.