References

Electronic reference

Allen M. Howard, « Cross-Boundary Traders in the Era of High Imperialism: Changing Structures and Strategies in the Sierra Leone-Guinea Region », Articulo - Journal of Urban Research [Online], 10 | 2014, Online since 08 October 2014, connection on 20 November 2017. URL : http://articulo.revues.org/2535  ; DOI : 10.4000/articulo.2535