APA: 
Mąkolski, Krzysztof, Cacoń, Stefan, Jamroz, Olgierd, Koš?ák, Blahoslav, Kaczałek, Mirosław (2008). Investigations regarding Bear Cave massif (Lower Silesia) long-term stability. 
Acta carsologica, letnik 37, številka 2/3, str. 279-290. 
URN:NBN:SI:doc-9MCG3Q51 from http://www.dlib.si
 
                           MLA: 
Mąkolski, Krzysztof, Cacoń, Stefan, Jamroz, Olgierd, Koš?ák, Blahoslav, Kaczałek, Mirosław. "Investigations regarding Bear Cave massif (Lower Silesia) long-term stability." 
Acta carsologica letnik 37. številka 2/3 (2008) str. 279-290.
<http://www.dlib.si/?URN=URN:NBN:SI:doc-9MCG3Q51>