Não informado. (2009). Proceedings of the Annual Meeting. American Petroleum Institute.
Chicago Style (17th ed.) CitationNão informado. Proceedings of the Annual Meeting. New York: American Petroleum Institute, 2009.
MLA (8th ed.) CitationNão informado. Proceedings of the Annual Meeting. American Petroleum Institute, 2009.
Warning: These citations may not always be 100% accurate.