Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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