Nuttall, C., & Evans, D. (2016). Outcomes. Pre-intermediate: Workbook (Segunda edición.). National Geographic Learning Cengage Learning.
Cita Chicago (17th ed.)Nuttall, Carol, i David Evans. Outcomes. Pre-intermediate: Workbook. Segunda edición. Hampshire: National Geographic Learning Cengage Learning, 2016.
Cita MLA (9th ed.)Nuttall, Carol, i David Evans. Outcomes. Pre-intermediate: Workbook. Segunda edición. National Geographic Learning Cengage Learning, 2016.
Atenció: Aquestes cites poden no estar 100% correctes.