APA
Annual offshore technology conference (22th. : 1989 may 1-4 : Texas), . (1989). 21th annual offshore technology conference. Texas: American Institute of Mining, Metallurgical and Petroleum Engineers.
Chicago
Annual offshore technology conference (22th. : 1989 may 1-4 : Texas), . 1989. 21th annual offshore technology conference. Texas: American Institute of Mining, Metallurgical and Petroleum Engineers.
Harvard
Annual offshore technology conference (22th. : 1989 may 1-4 : Texas), . (1989). 21th annual offshore technology conference. Texas: American Institute of Mining, Metallurgical and Petroleum Engineers.
MLA
Annual offshore technology conference (22th. : 1989 may 1-4 : Texas), . 21th annual offshore technology conference. Texas: American Institute of Mining, Metallurgical and Petroleum Engineers. 1989.
