APA: 
Kogovšek, Janja (1993). The first International Karstological School "Classical Karst". 
Acta carsologica, letnik 22, str. 204. 
URN:NBN:SI:DOC-V6WVF41V from http://www.dlib.si
MLA: 
Kogovšek, Janja. "The first International Karstological School "Classical Karst"." 
Acta carsologica letnik 22 (1993) str. 204.
<http://www.dlib.si/?URN=URN:NBN:SI:DOC-V6WVF41V>