Hansen, S. J. (2003). Investment grade energy audit: Making smart energy choices. Fairmont Press.
Chicago Style (17th ed.) CitationHansen, Shirley J. Investment Grade Energy Audit: Making Smart Energy Choices. Lilburn, Ga: Fairmont Press, 2003.
MLA (9th ed.) CitationHansen, Shirley J. Investment Grade Energy Audit: Making Smart Energy Choices. Fairmont Press, 2003.
Warning: These citations may not always be 100% accurate.