Tufail, J., & Lyon, K. (2007). Rules and standards: The second book of speaking up : a plain text guide to advocacy. Jessica Kingsley Publishers.
Chicago-referens (17:e uppl.)Tufail, John, och Kate Lyon. Rules and Standards: The Second 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. Rules and Standards: The Second Book of Speaking Up : A Plain Text Guide to Advocacy. Jessica Kingsley Publishers, 2007.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.