APA
American Petroleum Institute A., . (198). How to plug service station profit leaks. Washington: American Petroleum Institute, API.
Chicago
American Petroleum Institute API, . 198. How to plug service station profit leaks. Washington: American Petroleum Institute, API.
Harvard
American Petroleum Institute A., . (198). How to plug service station profit leaks. Washington: American Petroleum Institute, API.
MLA
American Petroleum Institute API, . How to plug service station profit leaks. Washington: American Petroleum Institute, API. 198.