(原始内容存档于2015-09-24). Madden, Andrew. Workers' Party hit by fresh split in organisation. Belfast Telegraph (Belfast). 27 April 2021 [19 April 2021]. (原始内容存档于2022-09-30)
ISBN 0-465-00071-1, OCLC 41649745 . Clark, John F.; Gardinier, David E. (编), Political Reform in Francophone Africa, Boulder: Westview Press, 1997, ISBN 0-8133-2785-7
Embassy of the Republic of Serbia in London, Great Britain. [2021-02-08]. (原始内容存档于2012-04-18). Country-of-birth database. Organisation for Economic Co-operation
Disappearance and Incommunicado Detention in China. Human Rights. World Organisation Against Torture. 2007-08-31 [2007-09-30]. (原始内容存档于2010-06-03). Universal