André Gunder Frank, 'The development of underdevelopment', Monthly Review (Vol. 18, no. 4, September 1966), pp. 17-31.
2.
Michael Hechter, Internal Colonialism: the Celtic fringe in British national development, 1536-1966 ( Berkeley, University of California Press, 1975).
3.
Gabriel Palma , 'Dependency: a formal theory of underdevelopment or a methodology for the analysis of concrete situations of underdevelopment ?', World Development (Vol. 6, 1978), pp. 881-924.