APA ציטוט

Harbury, C. (1982). Workbook in Introductory Economics (Third Edition). ELSEVIER.

Chicago Style (17th ed.) Citation

Harbury, Colin. Workbook in Introductory Economics (Third Edition). ELSEVIER, 1982.

ציטוט MLA

Harbury, Colin. Workbook in Introductory Economics (Third Edition). ELSEVIER, 1982.