Gaya APA

Petroleum., T, I, O. (1969). IP Standards for petroleum and its products. part II section 1. manual for rating fuels by the research and motor methods. (1969). : London : The Institute of Petroleum,.

Gaya MLA

Petroleum., The, Institute, Of. "IP Standards for petroleum and its products. part II section 1. manual for rating fuels by the research and motor methods.". 1969 : London : The Institute of Petroleum,, 1969. Text.