Çiğdemoğlu, C., Kapusuz, K. Y., & Kara, A. (2014). Heterogeneity in classes: Heterogeneity in classes : cooperative problem-solving activities through cooperative learning = Heterogenost u nastavi : aktivnosti suradničkog rješavanja problema u sklopu suradničkog učenja. Hrvatski časopis za odgoj i obrazovanje (Tisak), p. 6.
Chicago stil citiranjaÇiğdemoğlu, Ceyhan, Kamil Yavuz Kapusuz, and Ali Kara. "Heterogeneity in classes: Heterogeneity in classes : cooperative problem-solving activities through cooperative learning = Heterogenost u nastavi : aktivnosti suradničkog rješavanja problema u sklopu suradničkog učenja." 2014: 6.
MLA stil citiranjaÇiğdemoğlu, Ceyhan, Kamil Yavuz Kapusuz, and Ali Kara. "Heterogeneity in classes: Heterogeneity in classes : cooperative problem-solving activities through cooperative learning = Heterogenost u nastavi : aktivnosti suradničkog rješavanja problema u sklopu suradničkog učenja." 2014: 6.