APA
Annual offshore technology conference (23rd. : 1991 may 6-9 : Texas), . (1991). 23rd annual offshore technology conference. Texas: American Institute of Mining, Metallurgical and Petroleum Engineers.
Chicago
Annual offshore technology conference (23rd. : 1991 may 6-9 : Texas), . 1991. 23rd annual offshore technology conference. Texas: American Institute of Mining, Metallurgical and Petroleum Engineers.
Harvard
Annual offshore technology conference (23rd. : 1991 may 6-9 : Texas), . (1991). 23rd annual offshore technology conference. Texas: American Institute of Mining, Metallurgical and Petroleum Engineers.
MLA
Annual offshore technology conference (23rd. : 1991 may 6-9 : Texas), . 23rd annual offshore technology conference. Texas: American Institute of Mining, Metallurgical and Petroleum Engineers. 1991.
