International Leadership Association, Sowcik, M., & Amaladas, S. (2015). Leadership 2050: Critical challenges, key contexts, and emerging trends (First edition.). Emerald.
Citazione stile Chigago Style (17a edizione)International Leadership Association, Matthew Sowcik, e Stan Amaladas. Leadership 2050: Critical Challenges, Key Contexts, and Emerging Trends. First edition. Bingley, England: Emerald, 2015.
Citatione MLA (9a ed.)International Leadership Association, et al. Leadership 2050: Critical Challenges, Key Contexts, and Emerging Trends. First edition. Emerald, 2015.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.