APA

Gas Processors Association G., . (1999). The determination of specific sulfur compounds by capillary gas chromatography and sulfur chemiluminescence detection. Tulsa, Oklahoma: Gas Processors Association, GPA.

Chicago

Gas Processors Association GPA, . 1999. The determination of specific sulfur compounds by capillary gas chromatography and sulfur chemiluminescence detection. Tulsa, Oklahoma: Gas Processors Association, GPA.

Harvard

Gas Processors Association G., . (1999). The determination of specific sulfur compounds by capillary gas chromatography and sulfur chemiluminescence detection. Tulsa, Oklahoma: Gas Processors Association, GPA.

MLA

Gas Processors Association GPA, . The determination of specific sulfur compounds by capillary gas chromatography and sulfur chemiluminescence detection. Tulsa, Oklahoma: Gas Processors Association, GPA. 1999.