Črnjar, M., Saršon, M., & Šverko, M. (2000). Possibilities of introducing natural gas into Primorsko-Goranska district, R. Croatia: Possibilities of introducing natural gas into Primorsko-Goranska district, R. Croatia. Nafta (Zagreb), p. 1.
Chicago stil citiranjaČrnjar, Mladen, Miljenko Saršon, and Miro Šverko. "Possibilities of introducing natural gas into Primorsko-Goranska district, R. Croatia: Possibilities of introducing natural gas into Primorsko-Goranska district, R. Croatia." 2000: 1.
MLA stil citiranjaČrnjar, Mladen, Miljenko Saršon, and Miro Šverko. "Possibilities of introducing natural gas into Primorsko-Goranska district, R. Croatia: Possibilities of introducing natural gas into Primorsko-Goranska district, R. Croatia." 2000: 1.