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-referens (17:e uppl.)Tufail, John, och 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-referens (9:e uppl.)Tufail, John, och Kate Lyon. Listen Up! Speak Up!: The Third Book of Speaking Up : a Plain Text Guide to Advocacy. Jessica Kingsley Publishers, 2007.
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