APA aipamena

SPE International Symposium on Oilfield Chemistry & States), S. o. P. E. (. (1991). 1991 SPE International Symposium on Oilfield Chemistry: Proceedings. Richardson, TX : Society of Petroleum Engineers.

Chicago Style aipamena

SPE International Symposium on Oilfield Chemistry and Society of Petroleum Engineers (United States). 1991 SPE International Symposium on Oilfield Chemistry: Proceedings. Richardson, TX : Society of Petroleum Engineers, 1991.

MLA aipamena

SPE International Symposium on Oilfield Chemistry and Society of Petroleum Engineers (United States). 1991 SPE International Symposium on Oilfield Chemistry: Proceedings. Richardson, TX : Society of Petroleum Engineers, 1991.