@inbook{1188685530, author={Joseph Grenny and Kerry Patterson and David Maxfield and Ron McMillan and Al Switzler}, title={Acknowledgments}, booktitle={Influencer: The New Science of Leading Change, 2e}, publisher={McGraw-Hill Education}, address={New York, NY}, year={2013}, url={apn.mhmedical.com/content.aspx?aid=1188685530} }