APA

Bonse-Geuking W., World Petroleum Congress (13th. : 1991 : Buenos Aires), .The viewpoint of a petroleum company on a strategy aiming to associate producing countries with refining-distribution activities. : .

Chicago

Bonse-Geuking Wilhelm, World Petroleum Congress (13th. : 1991 : Buenos Aires), .The viewpoint of a petroleum company on a strategy aiming to associate producing countries with refining-distribution activities. : .

Harvard

Bonse-Geuking W., World Petroleum Congress (13th. : 1991 : Buenos Aires), .The viewpoint of a petroleum company on a strategy aiming to associate producing countries with refining-distribution activities. : .

MLA

Bonse-Geuking Wilhelm, World Petroleum Congress (13th. : 1991 : Buenos Aires), .: . .