APA Citation

Jan Bell. (1992). Integrated skills (upper intermediate): Workbook with answer key. London: Heineman.

Chicago Style Citation

Jan Bell. Integrated Skills (upper Intermediate): Workbook With Answer Key. London: Heineman, 1992.

MLA Citation

Jan Bell. Integrated Skills (upper Intermediate): Workbook With Answer Key. London: Heineman, 1992.

Warning: These citations may not always be 100% accurate.