APA citiranje

OCIC, O. (2005). Oil refineries in the 21st century. WILEY-VCH Verlag GmbH.

Chicago Style (17th ed.) Citation

OCIC, Ozren. Oil Refineries in the 21st Century. Weinheim: WILEY-VCH Verlag GmbH, 2005.

MLA citiranje

OCIC, Ozren. Oil Refineries in the 21st Century. WILEY-VCH Verlag GmbH, 2005.