Araùjo, L., Ribeiro, O. d. A., Teixeira, L., Azevedo, M. J., Jopp, D., Rott, C., & Paúl, C. (2015). Measuring attachment to life in old age: The Portuguese version of the Positive Valuation of Life Scale (Positive VOL). Quality of life research, 24(10), . https://doi.org/10.1007/s11136-015-0981-z
Chicago-Zitierstil (17. Ausg.)Araùjo, Lia, Oscar de Andrade Ribeiro, Laetitia Teixeira, Maria João Azevedo, Daniela Jopp, Christoph Rott, und Constança Paúl. "Measuring Attachment to Life in Old Age: The Portuguese Version of the Positive Valuation of Life Scale (Positive VOL)." Quality of Life Research 24, no. 10 (2015). https://doi.org/10.1007/s11136-015-0981-z.
MLA-Zitierstil (9. Ausg.)Araùjo, Lia, et al. "Measuring Attachment to Life in Old Age: The Portuguese Version of the Positive Valuation of Life Scale (Positive VOL)." Quality of Life Research, vol. 24, no. 10, 2015, https://doi.org/10.1007/s11136-015-0981-z.