APA

Gas Processors Association G., . (2000). AGA-GPA standard compression and charcoal tests for determining the natural gasoline content of natural gas. Tulsa, Oklahoma: Gas Processors Association, GPA.

Chicago

Gas Processors Association GPA, . 2000. AGA-GPA standard compression and charcoal tests for determining the natural gasoline content of natural gas. Tulsa, Oklahoma: Gas Processors Association, GPA.

Harvard

Gas Processors Association G., . (2000). AGA-GPA standard compression and charcoal tests for determining the natural gasoline content of natural gas. Tulsa, Oklahoma: Gas Processors Association, GPA.

MLA

Gas Processors Association GPA, . AGA-GPA standard compression and charcoal tests for determining the natural gasoline content of natural gas. Tulsa, Oklahoma: Gas Processors Association, GPA. 2000.