APA

Burns T. G., Chevron, World Petroleum Congress (12th : 1987 26 abr/1 may : Houston) & Chevron.Issues in petroleum supply and demand - Views of the year 2000. : .

Chicago

Burns Thomas G, Chevron, World Petroleum Congress (12th : 1987 26 abr/1 may : Houston) and Chevron.Issues in petroleum supply and demand - Views of the year 2000. : .

Harvard

Burns T. G., Chevron, World Petroleum Congress (12th : 1987 26 abr/1 may : Houston) and Chevron.Issues in petroleum supply and demand - Views of the year 2000. : .

MLA

Burns Thomas G, Chevron, World Petroleum Congress (12th : 1987 26 abr/1 may : Houston) and Chevron.: . .