Wallerstein, Immanuel. “Integration to What? Marginalization from What? Keynote Address at 19th Nordiske Sociologkongres, 13-15 June 1997, Copenhagen: ‘Integration and Marginalization.’”. Scandinavian Political Studies, bd. 4, januar 1997, https://tidsskrift.dk/scandinavian_political_studies/article/view/32908.