APA
Gas Processors Association G., . (1977). Analysis of natural gas liquid mixtures containing nitrogen and carbon dioxide by ga chromatography. Tulsa, Oklahoma: Gas Processors Association, GPA.
Chicago
Gas Processors Association GPA, . 1977. Analysis of natural gas liquid mixtures containing nitrogen and carbon dioxide by ga chromatography. Tulsa, Oklahoma: Gas Processors Association, GPA.
Harvard
Gas Processors Association G., . (1977). Analysis of natural gas liquid mixtures containing nitrogen and carbon dioxide by ga chromatography. Tulsa, Oklahoma: Gas Processors Association, GPA.
MLA
Gas Processors Association GPA, . Analysis of natural gas liquid mixtures containing nitrogen and carbon dioxide by ga chromatography. Tulsa, Oklahoma: Gas Processors Association, GPA. 1977.