Citazione Stile APA (7a Edizione)

Nuttall, C., & Evans, D. (2010). Upper intermediate outcomes: Teacher´s book. Heinle, Cengage Learning EMEA.

Citazione stile Chigago Style (17a edizione)

Nuttall, Carol, e David Evans. Upper Intermediate Outcomes: Teacher´s Book. Hampshire: Heinle, Cengage Learning EMEA, 2010.

Citatione MLA (9a ed.)

Nuttall, Carol, e David Evans. Upper Intermediate Outcomes: Teacher´s Book. Heinle, Cengage Learning EMEA, 2010.