APA:
Balázs, Gergely, Lewarne, Brian (2017). Observations on the olm Proteus anguinus population of the Vrelo Vruljak System (Eastern Herzegovina, Bosnia and Herzegovina).
Natura Sloveniae, letnik 19, številka 1, str. 39-41.
URN:NBN:SI:DOC-S3GR6ORY from http://www.dlib.si
MLA:
Balázs, Gergely, Lewarne, Brian. "Observations on the olm Proteus anguinus population of the Vrelo Vruljak System (Eastern Herzegovina, Bosnia and Herzegovina)."
Natura Sloveniae letnik 19. številka 1 (2017) str. 39-41.
<http://www.dlib.si/?URN=URN:NBN:SI:DOC-S3GR6ORY>