Cita APA (7th ed.)
Bratvold, R. B., & Begg, S. (2010). Making good decisions. Society of Petroleum Engineers.
Cita Chicago (17th ed.)
Bratvold, Reidar B., i Steve Begg. Making Good Decisions. Richardson, TX: Society of Petroleum Engineers, 2010.
Cita MLA (9th ed.)
Bratvold, Reidar B., i Steve Begg. Making Good Decisions. Society of Petroleum Engineers, 2010.
Atenció: Aquestes cites poden no estar 100% correctes.