APA (7th ed.) Zitazioa

Thornbury, S. (2007). How to: Teach speaking (4a. ed.). Pearson Education.

Chicago Style (17th ed.) Zitazioa

Thornbury, Scott. How to: Teach Speaking. 4a. ed. Essex: Pearson Education, 2007.

MLA (9th ed.) Zitazioa

Thornbury, Scott. How to: Teach Speaking. 4a. ed. Pearson Education, 2007.