APA

Tedeschi M., Petróleos de Venezuela, World Petroleum Congress (13th. : 1991 : Buenos Aires) & Petróleos de Venezuela.Reserves and production of heavy crude oil and natural bitumen. : .

Chicago

Tedeschi Mauricio, Petróleos de Venezuela, World Petroleum Congress (13th. : 1991 : Buenos Aires) and Petróleos de Venezuela.Reserves and production of heavy crude oil and natural bitumen. : .

Harvard

Tedeschi M., Petróleos de Venezuela, World Petroleum Congress (13th. : 1991 : Buenos Aires) and Petróleos de Venezuela.Reserves and production of heavy crude oil and natural bitumen. : .

MLA

Tedeschi Mauricio, Petróleos de Venezuela, World Petroleum Congress (13th. : 1991 : Buenos Aires) and Petróleos de Venezuela.: . .