APA (7th ed.) Zitazioa

Doff, A., & Robinson, N. (2010). English unlimited: Starter. Self-study Pack. Workbook with DVD-ROM. A1. Cambridge University Press.

Chicago Style (17th ed.) Zitazioa

Doff, Adrian, eta Nick Robinson. English Unlimited: Starter. Self-study Pack. Workbook with DVD-ROM. A1. Cambridge: Cambridge University Press, 2010.

MLA (9th ed.) Zitazioa

Doff, Adrian, eta Nick Robinson. English Unlimited: Starter. Self-study Pack. Workbook with DVD-ROM. A1. Cambridge University Press, 2010.