APA

Gas Processors Association G., . (2000). Tentative method for the qualitative determination of carbonyl sulfide in propane. Tulsa, Oklahoma: Gas Processors Association, GPA.

Chicago

Gas Processors Association GPA, . 2000. Tentative method for the qualitative determination of carbonyl sulfide in propane. Tulsa, Oklahoma: Gas Processors Association, GPA.

Harvard

Gas Processors Association G., . (2000). Tentative method for the qualitative determination of carbonyl sulfide in propane. Tulsa, Oklahoma: Gas Processors Association, GPA.

MLA

Gas Processors Association GPA, . Tentative method for the qualitative determination of carbonyl sulfide in propane. Tulsa, Oklahoma: Gas Processors Association, GPA. 2000.