APA (7th ed.) Zitazioa

Tufail, J., & Lyon, K. (2007). Listen up! speak up!: The third book of speaking up : a plain text guide to advocacy. Jessica Kingsley Publishers.

Chicago Style (17th ed.) Zitazioa

Tufail, John, eta Kate Lyon. Listen Up! Speak Up!: The Third Book of Speaking Up : a Plain Text Guide to Advocacy. London ; Philadelphia: Jessica Kingsley Publishers, 2007.

MLA (9th ed.) Zitazioa

Tufail, John, eta Kate Lyon. Listen Up! Speak Up!: The Third Book of Speaking Up : a Plain Text Guide to Advocacy. Jessica Kingsley Publishers, 2007.