Cita APA

Harvey, J. 1., & Johnson, M. K. (1989). Modern economics: Study guide and workbook Macmillan.

Citación estilo Chicago

Harvey, J. 1917-, and M. K. Johnson. Modern Economics: Study Guide and Workbook. 5a. ed. London: Macmillan, 1989.

Cita MLA

Harvey, J. 1917-, and M. K. Johnson. Modern Economics: Study Guide and Workbook. 5a. ed. London: Macmillan, 1989.