Citazione Stile APA (7a Edizione)

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.