Gaya APA
Organization, I, S. (1984).
Natural Gas-Determination of Hydrogen, Inert Gases and Hydrocarbons up to C8-Gas Chromatographie Method .
USA:
ISO.
Gaya MLA
Organization, International, Standard.
"Natural Gas-Determination of Hydrogen, Inert Gases and Hydrocarbons up to C8-Gas Chromatographie Method".
USA:
ISO,
1984.
Standard.