APA
American Petroleum Institute A., . (1992). Gasoline marketing in the United States today. Washington: American Petroleum Institute, API.
Chicago
American Petroleum Institute API, . 1992. Gasoline marketing in the United States today. Washington: American Petroleum Institute, API.
Harvard
American Petroleum Institute A., . (1992). Gasoline marketing in the United States today. Washington: American Petroleum Institute, API.
MLA
American Petroleum Institute API, . Gasoline marketing in the United States today. Washington: American Petroleum Institute, API. 1992.