APA:
Berce-Bratko, Branka (1994). UNESCO biosphere reserve: Notranjski kras as a strategy for conservation and development.
Acta carsologica, letnik 23, str.14-33.
URN:NBN:SI:DOC-JKDPL3VN from http://www.dlib.si
MLA:
Berce-Bratko, Branka. "UNESCO biosphere reserve: Notranjski kras as a strategy for conservation and development."
Acta carsologica letnik 23 (1994) str.14-33.
<http://www.dlib.si/?URN=URN:NBN:SI:DOC-JKDPL3VN>