Gaya APA

Oil refineries in the 21st century : energy efficient, cost effective, Environmentally Benign [sumber elektronik] / Ozren Ocic. (2005). : .

Gaya MLA

Oil refineries in the 21st century : energy efficient, cost effective, Environmentally Benign [sumber elektronik] / Ozren Ocic. . : , 2005. Text.