APA:
Martella, Roberta, Clementini, Eliseo, Kray, Christian (2019). Crowdsourcing geographic information with a gamification approach.
Geodetski vestnik, letnik 63, številka 2, str. 213-233.
URN:NBN:SI:DOC-6GZCA4SW from http://www.dlib.si
MLA:
Martella, Roberta, Clementini, Eliseo, Kray, Christian. "Crowdsourcing geographic information with a gamification approach."
Geodetski vestnik letnik 63. številka 2 (2019) str. 213-233.
<http://www.dlib.si/?URN=URN:NBN:SI:DOC-6GZCA4SW>