Duckworth, H. A. &. H. (2016). A Six sigma approach to sustainability. CRC Press.
芝加哥风格引文Duckworth, Holly A. & Hoffmeier. A Six Sigma Approach to Sustainability. Boca Ratan: CRC Press, 2016.
MLA引文Duckworth, Holly A. & Hoffmeier. A Six Sigma Approach to Sustainability. CRC Press, 2016.
警告：这些引文格式不一定是100％准确.