Gaya APA
Chilingarian, G., Vorabutr, P. (1981).
Drilling and drilling fluids (1981).
:
Amsterdam :Elsevier Scientific Publishing Co.,.
Gaya MLA
Chilingarian, G.V.., Vorabutr, P..
"Drilling and drilling fluids".
1981
:
Amsterdam :Elsevier Scientific Publishing Co.,,
1981.
Text.