Hydraulic fracturing [filem]. [n.p.] University of Oklahoma.
Cita Chicago (17th ed.)Hydraulic Fracturing [filem]. [n.p.] University of Oklahoma.
Cita MLA (9th ed.)Hydraulic Fracturing [filem]. [n.p.] University of Oklahoma.
Atenció: Aquestes cites poden no estar 100% correctes.