Walz, J. (2014). SPeak performance: Using the power of metaphors to communicate vision, motivate people, and lead your organization to success (First edition.). Business Expert Press.

Walz, Jim. SPeak Performance: Using the Power of Metaphors to Communicate Vision, Motivate People, and Lead Your Organization to Success. First edition. New York, New York (222 East 46th Street, New York, NY 10017): Business Expert Press, 2014.

Walz, Jim. SPeak Performance: Using the Power of Metaphors to Communicate Vision, Motivate People, and Lead Your Organization to Success. First edition. Business Expert Press, 2014.