Blanchard, K. H., & McBride, M. (2003). The one minute apology: A powerful way to make things better. William Morrow, Harper Collins publisher.
Lua i Stíl Chicago (17ú heag.)Blanchard, Kenneth H., agus Margret McBride. The One Minute Apology: A Powerful Way to Make Things Better. New York, India: William Morrow, Harper Collins publisher, 2003.
Lua MLA (8ú heag.)Blanchard, Kenneth H., agus Margret McBride. The One Minute Apology: A Powerful Way to Make Things Better. William Morrow, Harper Collins publisher, 2003.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.