Sloman, J., & Sutcliffe, M. (1997). Economics: Student workbook and reader (3rd ed.). Prentice Hall.

Sloman, John, and Mark Sutcliffe. Economics: Student Workbook and Reader. 3rd ed. London: Prentice Hall, 1997.

Sloman, John, and Mark Sutcliffe. Economics: Student Workbook and Reader. 3rd ed. Prentice Hall, 1997.