APA

Roger J. V., Antunez S., Petróleos de Venezuela P., World Petroleum Congress (14th : 1994 : Stavanger), Antunez S. & Petróleos de Venezuela P.Use and implementation of SPE and WPC petroleum reserves definitions. : .

Chicago

Roger Juan V, Antunez Simon, Petróleos de Venezuela PDVSA, World Petroleum Congress (14th : 1994 : Stavanger), Antunez Simon and Petróleos de Venezuela PDVSA.Use and implementation of SPE and WPC petroleum reserves definitions. : .

Harvard

Roger J. V., Antunez S., Petróleos de Venezuela P., World Petroleum Congress (14th : 1994 : Stavanger), Antunez S. and Petróleos de Venezuela P.Use and implementation of SPE and WPC petroleum reserves definitions. : .

MLA

Roger Juan V, Antunez Simon, Petróleos de Venezuela PDVSA, World Petroleum Congress (14th : 1994 : Stavanger), Antunez Simon and Petróleos de Venezuela PDVSA.: . .