Christensen, L L & Larsen, M C 2020, Ethical Challenges in Digital Research : A guide to discuss ethical issues in digital research, Second edition . 2. edn .
Christensen, L L, Larsen, M C & Wind, S T 2018, Ethical challenges in digital research : A guide to discuss ethical issues in digital research . bind 1., 1. udg, Aalborg Universitet, Digetik, DigHumLab. < https://dighumlab.org/wp-content/uploads/2018/10/Ethical_challenges_in_digital-research.pdf >