Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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