APA

White T., Petroleum Economics, World Petroleum Congress (12th : 1987 26 abr/1 may : Houston) & Petroleum Economics.Alternative petroleum outlooks 1985-2000. : .

Chicago

White T, Petroleum Economics, World Petroleum Congress (12th : 1987 26 abr/1 may : Houston) and Petroleum Economics.Alternative petroleum outlooks 1985-2000. : .

Harvard

White T., Petroleum Economics, World Petroleum Congress (12th : 1987 26 abr/1 may : Houston) and Petroleum Economics.Alternative petroleum outlooks 1985-2000. : .

MLA

White T, Petroleum Economics, World Petroleum Congress (12th : 1987 26 abr/1 may : Houston) and Petroleum Economics.: . .