Braig, S., Brenner, H., & Rothenbacher, D. (2018). Screen time, physical activity and self-esteem in children: The Ulm birth cohort study. International journal of environmental research and public health, 15(6), . https://doi.org/10.3390/ijerph15061275
Chicago-Zitierstil (17. Ausg.)Braig, Stefanie, Hermann Brenner, und Dietrich Rothenbacher. "Screen Time, Physical Activity and Self-esteem in Children: The Ulm Birth Cohort Study." International Journal of Environmental Research and Public Health 15, no. 6 (2018). https://doi.org/10.3390/ijerph15061275.
MLA-Zitierstil (9. Ausg.)Braig, Stefanie, et al. "Screen Time, Physical Activity and Self-esteem in Children: The Ulm Birth Cohort Study." International Journal of Environmental Research and Public Health, vol. 15, no. 6, 2018, https://doi.org/10.3390/ijerph15061275.