APA stil citiranja
Jančiković, B. (1999). The WPC/SPE petroleum reserves definitions vs the official Croatian reserves estimation system: The WPC/SPE petroleum reserves definitions vs the official Croatian reserves estimation system. Nafta (Zagreb).
Chicago stil citiranjaJančiković, Božidar. "The WPC/SPE petroleum reserves definitions vs the official Croatian reserves estimation system: The WPC/SPE petroleum reserves definitions vs the official Croatian reserves estimation system." 1999.
MLA stil citiranjaJančiković, Božidar. "The WPC/SPE petroleum reserves definitions vs the official Croatian reserves estimation system: The WPC/SPE petroleum reserves definitions vs the official Croatian reserves estimation system." 1999.
Napomena: Ova citiranost nije uvijek 100% točna.