APA:
Kempe, Stephan, Hubrich, Hans-Peter, Suckstorff, Klaus (2006). The history of Postojnska jama.
Acta carsologica, volume 35, issue 2, str. 155-162.
URN:NBN:SI:DOC-S8XYYWQJ from http://www.dlib.si
MLA:
Kempe, Stephan, Hubrich, Hans-Peter, Suckstorff, Klaus. "The history of Postojnska jama."
Acta carsologica volume 35. issue 2 (2006) str. 155-162.
<http://www.dlib.si/?URN=URN:NBN:SI:DOC-S8XYYWQJ>