APA aipamena

BUTALVO,A. (1976). PLUGGING MATERIALS AND THE CEMENTING OF WELLS. MIR PUB.

Chicago Style aipamena

BUTALVO,A. PLUGGING MATERIALS AND THE CEMENTING OF WELLS. MOSCOW: MIR PUB, 1976.

MLA aipamena

BUTALVO,A. PLUGGING MATERIALS AND THE CEMENTING OF WELLS. MIR PUB, 1976.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.