APA

Calderon J., Rodriguez D., Research and Development Centre of PDVSA, World Petroleum Congress (12th : 1987 26 abr/1 may : Houston), Rodriguez D. & Research and Development Centre of PDVSA.Heavy oil coke utilization. : .

Chicago

Calderon J.L, Rodriguez D, Research and Development Centre of PDVSA, World Petroleum Congress (12th : 1987 26 abr/1 may : Houston), Rodriguez D and Research and Development Centre of PDVSA.Heavy oil coke utilization. : .

Harvard

Calderon J., Rodriguez D., Research and Development Centre of PDVSA, World Petroleum Congress (12th : 1987 26 abr/1 may : Houston), Rodriguez D. and Research and Development Centre of PDVSA.Heavy oil coke utilization. : .

MLA

Calderon J.L, Rodriguez D, Research and Development Centre of PDVSA, World Petroleum Congress (12th : 1987 26 abr/1 may : Houston), Rodriguez D and Research and Development Centre of PDVSA.: . .