1. Beaverstock M, Greenwood A, Lavery E, Nordgren W (2013) Symulacja stosowana. Modelowanie i analiza przy użyciu FlexSim, przekład Wróbel G, Wydawnictwo Cempel Consulting, Kraków, pp s25
2. Imai M, Gemba K, Biznes MT, Warszawa (2006) pp s97
3. International Standards ISO 14001:2004 (2004) Environmental management systems—requirements with guidance for their use, International Organization for Standardization, Geneva
4. International Standards ISO 14004:2004 (2004) Environmental management systems—general guidelines on principles, systems and supporting techniques, International Organization for Standardization, Geneva (reviewed 2008)
5. International Standards ISO 19011:2002 (2004) Guidelines for auditing quality management systems and/or environmental management, International Organization for Standardization, Geneva (reviewed 2008)