Campbell, Brian Department 'Integration and Conflict' , MPI for Social Anthropology, Max Planck Society;
http://compaso.eu/archive/understanding-and-misunderstanding/campbell-abstract/ (Any fulltext)
Campbell, B. (2012). Enacting trust: contract, law and informal economic relationships in a Spanish border enclave in Morocco. Compaso: Journal of Comparative Research in Anthropology and Sociology, 3(2), 17-25.