- Whittaker, James. “The Future of Testing.” Google Tech Talks . October 23, 2008. https://www.youtube.com/watch?v=Pug_5Tl2UxQ&t=23m26s.
- Tanner, Robert. “Leading Change (Step 2)—Create the Guiding Coalition.” Management is a Journey (blog). https://managementisajourney.com/leading-change-step-2-create-the-guiding-coalition.