APA
National Economic Development Office (London), National Economic Development Office (London), . (1971). Value added tax. London: HMSO UK.
Chicago
National Economic Development Office (London), National Economic Development Office (London), . 1971. Value added tax. London: HMSO UK.
Harvard
National Economic Development Office (London), National Economic Development Office (London), . (1971). Value added tax. London: HMSO UK.
MLA
National Economic Development Office (London), National Economic Development Office (London), . Value added tax. London: HMSO UK. 1971.
