APA:
Santo, Antonio, Ascione, Alessandra, Del Prete, Sossio, Di Crescenzo, Giuseppe, Santangelo, Nicoletta (2011). Collapse sinkholes distribution in the carbonate massifs of central and southern Apennines.
Acta carsologica, letnik 40, številka 1, str. 95-112.
URN:NBN:SI:DOC-09CVDWNO from http://www.dlib.si
MLA:
Santo, Antonio, Ascione, Alessandra, Del Prete, Sossio, Di Crescenzo, Giuseppe, Santangelo, Nicoletta. "Collapse sinkholes distribution in the carbonate massifs of central and southern Apennines."
Acta carsologica letnik 40. številka 1 (2011) str. 95-112.
<http://www.dlib.si/?URN=URN:NBN:SI:DOC-09CVDWNO>