Bohdan Kwiatkowski, Sabotaż i dywersja, Bellona, London 1949, vol.1, p.21; as cited by Marek Ney-Krwawicz, The Polish Underground State and The Home Army (1939–45). Translated from Polish by Antoni Bohdanowicz. Article on the pages of the London Branch of the Polish Home Army Ex-Servicemen Association. Retrieved 14 March 2008. نسخة محفوظة 3 نوفمبر 2019 على موقع واي باك مشين.
Bohdan Kwiatkowski, Sabotaż i dywersja, Bellona, London 1949, vol.1, p.21; as cited by Marek Ney-Krwawicz, The Polish Underground State and The Home Army (1939–45). Translated from Polish by Antoni Bohdanowicz. Article on the pages of the London Branch of the Polish Home Army Ex-Servicemen Association. Retrieved 14 March 2008. نسخة محفوظة 3 نوفمبر 2019 على موقع واي باك مشين.