APA: 
Pleničar, Mario, Dozet, Stevo (1993). Contribution to the knowledge of upper cretaceous beds in Kočevje and Gorski Kotar area (NW Dinarides). 
Geologija, letnik 36. 
URN:NBN:SI:DOC-X89OAFCW from http://www.dlib.si
MLA: 
Pleničar, Mario, Dozet, Stevo. "Contribution to the knowledge of upper cretaceous beds in Kočevje and Gorski Kotar area (NW Dinarides)." 
Geologija letnik 36 (1993).
<http://www.dlib.si/?URN=URN:NBN:SI:DOC-X89OAFCW>