APA
American Petroleum Institute A., . (1988). Winterization of air cooled heat exchangers. Washington: American Petroleum Institute, API.
Chicago
American Petroleum Institute API, . 1988. Winterization of air cooled heat exchangers. Washington: American Petroleum Institute, API.
Harvard
American Petroleum Institute A., . (1988). Winterization of air cooled heat exchangers. Washington: American Petroleum Institute, API.
MLA
American Petroleum Institute API, . Winterization of air cooled heat exchangers. Washington: American Petroleum Institute, API. 1988.