International Leadership Association, Sowcik, M., & Amaladas, S. (2015). Leadership 2050: Critical challenges, key contexts, and emerging trends (First edition.). Emerald.
Tohutoru Kātū Chicago (17th ed.)International Leadership Association, Matthew Sowcik, me Stan Amaladas. Leadership 2050: Critical Challenges, Key Contexts, and Emerging Trends. First edition. Bingley, England: Emerald, 2015.
Tohutoro MLA (9th ed.)International Leadership Association, et al. Leadership 2050: Critical Challenges, Key Contexts, and Emerging Trends. First edition. Emerald, 2015.
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