APA

Popa C., Supeala G., Ploiesti University, World Petroleum Congress (14th : 1994 : Stavanger), Supeala G. & Ploiesti University.New appraisals from romanian reserves reevaluation. : .

Chicago

Popa C.G, Supeala G, Ploiesti University, World Petroleum Congress (14th : 1994 : Stavanger), Supeala G and Ploiesti University.New appraisals from romanian reserves reevaluation. : .

Harvard

Popa C., Supeala G., Ploiesti University, World Petroleum Congress (14th : 1994 : Stavanger), Supeala G. and Ploiesti University.New appraisals from romanian reserves reevaluation. : .

MLA

Popa C.G, Supeala G, Ploiesti University, World Petroleum Congress (14th : 1994 : Stavanger), Supeala G and Ploiesti University.: . .