APA
Duval J., Institute of Research and Projects for Oil and Gas, World Petroleum Congress (10th : 1979 sept. 9-14 : Bucharest) & Institute of Research and Projects for Oil and Gas.Systeme de production saisonniere d'huile en zones arctiques marines a icebergs. : .
Chicago
Duval Jean, Institute of Research and Projects for Oil and Gas, World Petroleum Congress (10th : 1979 sept. 9-14 : Bucharest) and Institute of Research and Projects for Oil and Gas.Systeme de production saisonniere d'huile en zones arctiques marines a icebergs. : .
Harvard
Duval J., Institute of Research and Projects for Oil and Gas, World Petroleum Congress (10th : 1979 sept. 9-14 : Bucharest) and Institute of Research and Projects for Oil and Gas.Systeme de production saisonniere d'huile en zones arctiques marines a icebergs. : .
MLA
Duval Jean, Institute of Research and Projects for Oil and Gas, World Petroleum Congress (10th : 1979 sept. 9-14 : Bucharest) and Institute of Research and Projects for Oil and Gas.: . .