APA:
Restificar, Sonata Dulce F., Day, Michael, Urich, Peter Brandt (2006). Protection of karst in the Philippines.
Acta carsologica, letnik 35, številka 1, str. 121-130.
URN:NBN:SI:DOC-N7Q7B28J from http://www.dlib.si
MLA:
Restificar, Sonata Dulce F., Day, Michael, Urich, Peter Brandt. "Protection of karst in the Philippines."
Acta carsologica letnik 35. številka 1 (2006) str. 121-130.
<http://www.dlib.si/?URN=URN:NBN:SI:DOC-N7Q7B28J>