Nuttall, C., & Evans, D. (2016). Pre-intermediate outcomes: Workbook (second edition.). National Geographic Learning Cengage Learning.
Citazione stile Chigago Style (17a edizione)Nuttall, Carol, e David Evans. Pre-intermediate Outcomes: Workbook. second edition. Hampshire: National Geographic Learning Cengage Learning, 2016.
Citatione MLA (9a ed.)Nuttall, Carol, e David Evans. Pre-intermediate Outcomes: Workbook. second edition. National Geographic Learning Cengage Learning, 2016.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.