Baxter, S., & Woodbridge, T. (2002). Success with Cels: Preliminary, a preparation course for the certificates in english language skills (1a. ed.). Summertown.
Chicago-Zitierstil (17. Ausg.)Baxter, Steve, und Teresa Woodbridge. Success with Cels: Preliminary, a Preparation Course for the Certificates in English Language Skills. 1a. ed. Oxford: Summertown, 2002.
MLA-Zitierstil (9. Ausg.)Baxter, Steve, und Teresa Woodbridge. Success with Cels: Preliminary, a Preparation Course for the Certificates in English Language Skills. 1a. ed. Summertown, 2002.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.