APA (7th ed.) Zitazioa

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

Chicago Style (17th ed.) Zitazioa

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

MLA (9th ed.) Zitazioa

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