Harbury, C. (1982). Workbook in Introductory Economics (Third Edition). ELSEVIER.
Chicago Style (17th ed.) CitationHarbury, Colin. Workbook in Introductory Economics (Third Edition). ELSEVIER, 1982.
MLA (8th ed.) CitationHarbury, Colin. Workbook in Introductory Economics (Third Edition). ELSEVIER, 1982.
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