APA

American Petroleum Institute A., . (1997). Developing a highway emergency response plan for incidents involving hazardous materials. Washington: American Petroleum Institute, API.

Chicago

American Petroleum Institute API, . 1997. Developing a highway emergency response plan for incidents involving hazardous materials. Washington: American Petroleum Institute, API.

Harvard

American Petroleum Institute A., . (1997). Developing a highway emergency response plan for incidents involving hazardous materials. Washington: American Petroleum Institute, API.

MLA

American Petroleum Institute API, . Developing a highway emergency response plan for incidents involving hazardous materials. Washington: American Petroleum Institute, API. 1997.