Tamm, J. W., & Luyet, R. (2019). Radical collaboration: Five essential skills to overcome defensiveness and build successful relationships (2nd edition.). HarperBusiness.
Lua i Stíl Chicago (17ú heag.)Tamm, James W., agus Ron Luyet. Radical Collaboration: Five Essential Skills to Overcome Defensiveness and Build Successful Relationships. 2nd edition. New York, NY: HarperBusiness, 2019.
Lua MLA (9ú heag.)Tamm, James W., agus Ron Luyet. Radical Collaboration: Five Essential Skills to Overcome Defensiveness and Build Successful Relationships. 2nd edition. HarperBusiness, 2019.
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