Kranz, G. (2007). Communication Effectively. Penguin Group.
Lua i Stíl Chicago (17ú heag.)Kranz, Garry. Communication Effectively. New Delhi: Penguin Group, 2007.
Lua MLA (9ú heag.)Kranz, Garry. Communication Effectively. Penguin Group, 2007.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.