Gaya APA

Petroleum., T, I, O. (1970). IP Standards for petroleum and its products. part I section 2. IP methods 165 to 271. (1970). : London : The Institute of Petroleum,.

Gaya MLA

Petroleum., The, Institute, Of. "IP Standards for petroleum and its products. part I section 2. IP methods 165 to 271.". 1970 : London : The Institute of Petroleum,, 1970. Text.