Citazione Stile APA (7a Edizione)

Sinclair, B., & Prowse, P. (1996). Activate your english: Intermediate coursebook. Cambridge University Press.

Citazione stile Chigago Style (17a edizione)

Sinclair, Barbara, e Philip Prowse. Activate Your English: Intermediate Coursebook. Nueva York: Cambridge University Press, 1996.

Citatione MLA (9a ed.)

Sinclair, Barbara, e Philip Prowse. Activate Your English: Intermediate Coursebook. Cambridge University Press, 1996.