„Handbuch Extremismusprävention“. Federal Criminal Office (vokiečių). 10 July 2020. p. 159. Suarchyvuotas originalas 3 October 2020. Nuoroda tikrinta 7 September 2020. „... der inzwischen stärker durch kurdischen Nationalismus geprägten PKK.“ [... the PKK, which is now more strongly influenced by Kurdish nationalism.]
britannica.com
„Kurdistan Workers' Party“. Encyclopaedia Britannica. Nuoroda tikrinta 7 September 2020. „Kurdistan Workers' Party (PKK) ... militant Kurdish nationalist organization ...“
counterextremism.com
„Kurdistan Workers' Party (PKK)“. Counter Extremism Project (anglų). Nuoroda tikrinta 2021-05-15. „In 2003, Öcalan reformulated the ideological basis of the PKK. Inspired by eco-anarchists Murray Bookchin and Janet Beihl, he advocated for a new anti-nationalist approach he referred to as 'democratic confederalism.'“
„Handbuch Extremismusprävention“. Federal Criminal Office (vokiečių). 10 July 2020. p. 159. Suarchyvuotas originalas 3 October 2020. Nuoroda tikrinta 7 September 2020. „... der inzwischen stärker durch kurdischen Nationalismus geprägten PKK.“ [... the PKK, which is now more strongly influenced by Kurdish nationalism.]