APA

Thompson G., Jensen R., UOP, World Petroleum Congress (12th : 1987 26 abr/1 may : Houston), Jensen R. & UOP.Processing requirements and economic analysis of heavy oils and syncrude refining. : .

Chicago

Thompson G.J, Jensen R.H, UOP, World Petroleum Congress (12th : 1987 26 abr/1 may : Houston), Jensen R.H and UOP.Processing requirements and economic analysis of heavy oils and syncrude refining. : .

Harvard

Thompson G., Jensen R., UOP, World Petroleum Congress (12th : 1987 26 abr/1 may : Houston), Jensen R. and UOP.Processing requirements and economic analysis of heavy oils and syncrude refining. : .

MLA

Thompson G.J, Jensen R.H, UOP, World Petroleum Congress (12th : 1987 26 abr/1 may : Houston), Jensen R.H and UOP.: . .