van Laar, E., van Deursen, A. J., van Dijk, J. A., & de Haan, J. (2018). 21st-century digital skills instrument aimed at working professionals: Conceptual development and empirical validation. Telematics and informatics, 35(8), 2184-2200. https://doi.org/10.1016/j.tele.2018.08.006
Citace podle Chicago (17th ed.)van Laar, Ester, Alexander J.A.M van Deursen, Jan A.G.M van Dijk, a Jos de Haan. "21st-century Digital Skills Instrument Aimed at Working Professionals: Conceptual Development and Empirical Validation." Telematics and Informatics 35, no. 8 (2018): 2184-2200. https://doi.org/10.1016/j.tele.2018.08.006.
Citace podle MLA (9th ed.)van Laar, Ester, et al. "21st-century Digital Skills Instrument Aimed at Working Professionals: Conceptual Development and Empirical Validation." Telematics and Informatics, vol. 35, no. 8, 2018, pp. 2184-2200, https://doi.org/10.1016/j.tele.2018.08.006.