Παραπομπή σε μορφή APA (7η εκδ.)
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.
Παραπομπή σε μορφή Chicago (17η εκδ.)
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.
Παραπομπή σε μορφή MLA (9th εκδ.)
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.
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