Gaya APA
Advanced Natural Gas Engineering. (2009).
:
Gulf Publishing Company.
Gaya Chicago
Advanced Natural Gas Engineering.
.
:
Gulf Publishing Company,
2009.
Text.
Gaya MLA
Advanced Natural Gas Engineering.
.
:
Gulf Publishing Company,
2009.
Text.
Gaya Turabian
Advanced Natural Gas Engineering.
:
Gulf Publishing Company,
2009.
Print.