Marx, Karl; Engels, Friedrich (2002). "3. I. a. Feudal Socialism". In Jones, Gareth Stedman (ed.). The Communist Manifesto(paperback) (New ed.). London: Penguin Group. pp. 246–247. ISBN978-0-14-044757-6. Retrieved 10 March 2015.
Representations of Place: Albania, Derek R. Hall, The Geographical Journal, Vol. 165, No. 2, The Changing Meaning of Place in Post-Socialist Eastern Europe: Commodification, Perception and Environment (Jul. , 1999), pp. 161–172, Blackwell Publishing on behalf of The Royal Geographical Society (with the Institute of British Geographers)
