Gaya APA
Pennwell, . (2015).
Offshore : offshore's Top 5 Projects 2015 (Volume 75, Number 12 December).
Houston:
Pennwell Books.
Gaya MLA
Pennwell, .
"Offshore : offshore's Top 5 Projects 2015".
Volume 75, Number 12 December
Houston:
Pennwell Books,
2015.
MAJALAH TP.