Não informado. (1986). SPE Production Engineering. Society of Petroleum Engineers.
Cita Chicago Style (17a ed.)Não informado. SPE Production Engineering. Richardson, Tex: Society of Petroleum Engineers, 1986.
Cita MLA (8a ed.)Não informado. SPE Production Engineering. Society of Petroleum Engineers, 1986.
Precaución: Estas citas no son 100% exactas.