Gaya APA

Penberthy, W, , , , , , , , L. (1992). Sand control : SPE series on special topics . Vol.1 (1992). : Texas:Society of Petroleum Engineers,.

Gaya MLA

Penberthy, W, , , , , , , , L. "Sand control : SPE series on special topics . Vol.1". 1992 : Texas:Society of Petroleum Engineers,, 1992. Text.