1. Abrahamsson, P., Salo, O., Ronkainen, J., & Warsta, J. (2002). Agile software development methods: Review and analysis. Otamedia. https://doi.org/10.48550/arXiv.1709.08439.
2. Albert, M., Hurrelmann, K., Quenzel, G., Schneekloth, U., Leven, I., Utzmann, H., & Wolfert, S. (2019). Jugend 2019 – 18. Shell Jugendstudie. Beltz.
3. Avolio, B. J., & Kahai, S. (2003). Adding the „e“ to e-leadership: How it may impact your leadership. Organizational Dynamics, 31(4), 325–338. https://doi.org/10.1016/S0090-2616(02)00133-X.
4. Barber, H. F. (1992). Developing strategic leadership: The US army war college experience. Journal of Management Development, 11(6), 4–12. https://doi.org/10.1108/02621719210018208.
5. Beck, K., Beedle, M., Bennekum, A., Cockburn, A., Cunningham, W., Fowler, M., . . . Thomas, D. (2001). Manifest für agile Softwareentwicklung. https://agilemanifesto.org/iso/de/manifesto.html.