APA
American Petroleum Institute A., . (1990). Specification for glycol-type gas dehydratation units. Washington: American Petroleum Institute, API.
Chicago
American Petroleum Institute API, . 1990. Specification for glycol-type gas dehydratation units. Washington: American Petroleum Institute, API.
Harvard
American Petroleum Institute A., . (1990). Specification for glycol-type gas dehydratation units. Washington: American Petroleum Institute, API.
MLA
American Petroleum Institute API, . Specification for glycol-type gas dehydratation units. Washington: American Petroleum Institute, API. 1990.