Gaya APA

Petroleum., T, I, O. (1972). IP Standards for petroleum and its products. part I section 1. IP methods 1 to 164. (1972). : London : The Institute of Petroleum,.

Gaya MLA

Petroleum., The, Institute, Of. "IP Standards for petroleum and its products. part I section 1. IP methods 1 to 164.". 1972 : London : The Institute of Petroleum,, 1972. Text.