APA

Vásquez E. E., Petróleos de Venezuela P., World Petroleum Congress (12th : 1987 26 abr/1 may : Houston) & Petróleos de Venezuela P.Transfer of technology in the oil industry. : .

Chicago

Vásquez Enrique E, Petróleos de Venezuela PDVSA, World Petroleum Congress (12th : 1987 26 abr/1 may : Houston) and Petróleos de Venezuela PDVSA.Transfer of technology in the oil industry. : .

Harvard

Vásquez E. E., Petróleos de Venezuela P., World Petroleum Congress (12th : 1987 26 abr/1 may : Houston) and Petróleos de Venezuela P.Transfer of technology in the oil industry. : .

MLA

Vásquez Enrique E, Petróleos de Venezuela PDVSA, World Petroleum Congress (12th : 1987 26 abr/1 may : Houston) and Petróleos de Venezuela PDVSA.: . .