European Commission - Joint Research Centre - Institute for Environment and Sustainability (2010): International Reference Life Cycle Data System (ILCD) Handbook - General guide for Life Cycle Assessment - Detailed guidance.
Euroopa Komisjon – Teadusuuringute Ühiskeskus – Keskkonna ja Säästva Arengu Instituut (2010): International Reference Life Cycle Data System (ILCD) Handbook – General guide for Life Cycle Assessment – Detailed guidance.