Cita APA (7a ed.)
(1997). Oil & gas product news. Baum Publications.
Cita Chicago Style (17a ed.)
Oil & Gas Product News. Vancouver: Baum Publications, 1997.
Cita MLA (9a ed.)
Oil & Gas Product News. Baum Publications, 1997.
Precaución: Estas citas no son 100% exactas.