(1978). Hydraulic fracturing [kasetvideo]. Austin, Tex. : University of Texas.
Chicago Style aipamenaHydraulic Fracturing [kasetvideo]. Austin, Tex. : University of Texas, 1978.
MLA aipamenaHydraulic Fracturing [kasetvideo]. Austin, Tex. : University of Texas, 1978.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.