Gaya APA
Sholikhah, I, M. et al (1984).
Gas Conditioning And Processing: Volume 1: The Basic Principles .
USA :
Campbell Petroleum Series.
Gaya MLA
Sholikhah, Ika, Maratus. et al.
"Gas Conditioning And Processing: Volume 1: The Basic Principles".
USA :
Campbell Petroleum Series,
1984.
Text.