APA:
Ćalić-Ljubojević, Jelena, Ljubojević, Vladimir (2000). Caves below collapse dolines - case study of Tisova jama (eastern Serbia).
Acta carsologica, letnik 29, številka 2, str. 95-101.
URN:NBN:SI:DOC-XN3GZ4XI from http://www.dlib.si
MLA:
Ćalić-Ljubojević, Jelena, Ljubojević, Vladimir. "Caves below collapse dolines - case study of Tisova jama (eastern Serbia)."
Acta carsologica letnik 29. številka 2 (2000) str. 95-101.
<http://www.dlib.si/?URN=URN:NBN:SI:DOC-XN3GZ4XI>