Trotman-Dickenson, D. I. (1969). Economic Workbook and Data. ELSEVIER.
Cita Chicago (17th ed.)Trotman-Dickenson, D. I. Economic Workbook and Data. ELSEVIER, 1969.
Cita MLA (8th ed.)Trotman-Dickenson, D. I. Economic Workbook and Data. ELSEVIER, 1969.
Atenció: Aquestes cites poden no estar 100% correctes.