Gaya APA
ETNYRE, L, M.
(1989).
FINDING OIL AND GAS FROM WELL LOGS
.
AMERIKA:
VAN NOSTRAND REINHOD.
Gaya MLA
ETNYRE, LEE, M..
"FINDING OIL AND GAS FROM WELL LOGS".
AMERIKA:
VAN NOSTRAND REINHOD,
1989.
Art Original.