APA
Gas Processors Association G., . (2000). Analysis for natural gas and similar gaseous mixtures by gas chromatography. Tulsa, Oklahoma: Gas Processors Association, GPA.
Chicago
Gas Processors Association GPA, . 2000. Analysis for natural gas and similar gaseous mixtures by gas chromatography. Tulsa, Oklahoma: Gas Processors Association, GPA.
Harvard
Gas Processors Association G., . (2000). Analysis for natural gas and similar gaseous mixtures by gas chromatography. Tulsa, Oklahoma: Gas Processors Association, GPA.
MLA
Gas Processors Association GPA, . Analysis for natural gas and similar gaseous mixtures by gas chromatography. Tulsa, Oklahoma: Gas Processors Association, GPA. 2000.