Blanchard, K. H., & McBride, M. (2003). The one minute apology: A powerful way to make things better. William Morrow, Harper Collins publisher.

Blanchard, Kenneth H., and Margret McBride. The One Minute Apology: A Powerful Way to Make Things Better. New York, India: William Morrow, Harper Collins publisher, 2003.

Blanchard, Kenneth H., and Margret McBride. The One Minute Apology: A Powerful Way to Make Things Better. William Morrow, Harper Collins publisher, 2003.