Citazione Stile APA (7a Edizione)

Littlejohn, A., & Hicks, D. (1998). Cambridge english: Worldwide: starter workbook. Cambridge University Press.

Citazione stile Chigago Style (17a edizione)

Littlejohn, Andrew, e Diana Hicks. Cambridge English: Worldwide: Starter Workbook. New York, EUA: Cambridge University Press, 1998.

Citatione MLA (9a ed.)

Littlejohn, Andrew, e Diana Hicks. Cambridge English: Worldwide: Starter Workbook. Cambridge University Press, 1998.