Gaya APA
Pennwell, .
(2017).
offshore : Offshore E&P outlook
(
Volume 77, Number 1 January)
.
Houston:
Pennwell Books.
Gaya MLA
Pennwell, .
"offshore : Offshore E&P outlook".
Volume 77, Number 1 January
Houston:
Pennwell Books,
2017.
MAJALAH TP.