Vrana, R. (2013). Online social networks and security of their users: an exploratory study of students at the Faculty of humanities and social sciences Zagreb: Online social networks and security of their users: an exploratory study of students at the Faculty of humanities and social sciences Zagreb. Central European Conference on Information and Intelligent Systems.
Chicago stil citiranjaVrana, Radovan. "Online social networks and security of their users: an exploratory study of students at the Faculty of humanities and social sciences Zagreb: Online social networks and security of their users: an exploratory study of students at the Faculty of humanities and social sciences Zagreb." 2013.
MLA stil citiranjaVrana, Radovan. "Online social networks and security of their users: an exploratory study of students at the Faculty of humanities and social sciences Zagreb: Online social networks and security of their users: an exploratory study of students at the Faculty of humanities and social sciences Zagreb." 2013.