Foldager, Malene, Lisbeth Harms, och Trine Kampman. ”Hvordan Opfatter Togpassagerer Information Om Rettidighed : Et Empirisk Studie”. Proceedings from the Annual Transport Conference at Aalborg University 19, no. 1 (december 31, 2012). åtkomstdatum juli 22, 2024. https://journals.aau.dk/index.php/td/article/view/5629.