APA stil citiranja

Olčar, D. (2013). The role of positive emotions in play and exploration: The role of positive emotions in play and exploration. Napredak (Zagreb. 1991), p. 54.

Chicago stil citiranja

Olčar, Diana. "The role of positive emotions in play and exploration: The role of positive emotions in play and exploration." 2013: 54.

MLA stil citiranja

Olčar, Diana. "The role of positive emotions in play and exploration: The role of positive emotions in play and exploration." 2013: 54.