APA aipamena

Hydraulic fracturing [filem]. [n.p.] University of Oklahoma.

Chicago Style aipamena

Hydraulic Fracturing [filem]. [n.p.] University of Oklahoma.

MLA aipamena

Hydraulic Fracturing [filem]. [n.p.] University of Oklahoma.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.