Šakić, Ž. (2010). 30 skupova o prometnim sustavima = 30 conferences of transportation systems: 30 skupova o prometnim sustavima = 30 conferences of transportation systems : popis zbornika, referata i autora = index of proceedings, articles and authors. Zagreb: KOREMA.
Chicago stil citiranjaŠakić, Željko. 30 skupova o prometnim sustavima = 30 conferences of transportation systems: 30 skupova o prometnim sustavima = 30 conferences of transportation systems : popis zbornika, referata i autora = index of proceedings, articles and authors. Zagreb: KOREMA, 2010.
MLA stil citiranjaŠakić, Željko. 30 skupova o prometnim sustavima = 30 conferences of transportation systems: 30 skupova o prometnim sustavima = 30 conferences of transportation systems : popis zbornika, referata i autora = index of proceedings, articles and authors. Zagreb: KOREMA, 2010.