APA

Jacobsen, Cooper B. H., World Petroleum Congress (12th : 1987 26 abr/1 may : Houston) & Cooper B. H.Catalysts for hydrotreating of heavy oil fractions. : .

Chicago

Jacobsen, Cooper Barry H, World Petroleum Congress (12th : 1987 26 abr/1 may : Houston) and Cooper Barry H.Catalysts for hydrotreating of heavy oil fractions. : .

Harvard

Jacobsen, Cooper B. H., World Petroleum Congress (12th : 1987 26 abr/1 may : Houston) and Cooper B. H.Catalysts for hydrotreating of heavy oil fractions. : .

MLA

Jacobsen, Cooper Barry H, World Petroleum Congress (12th : 1987 26 abr/1 may : Houston) and Cooper Barry H.: . .