Citazione Stile APA (7a Edizione)

Nuttall, C., & French, A. (2017). Advanced outcomes: Workbook (segunda edición.). National geographic Learning Cengage Learning.

Citazione stile Chigago Style (17a edizione)

Nuttall, Carol, e Amanda French. Advanced Outcomes: Workbook. segunda edición. Hampshire: National geographic Learning Cengage Learning, 2017.

Citatione MLA (9a ed.)

Nuttall, Carol, e Amanda French. Advanced Outcomes: Workbook. segunda edición. National geographic Learning Cengage Learning, 2017.