Environmental labels and declarations - Self-declared environmental claims (Type II environmental labelling) (ISO 14021:1999 + Amd 1:2011); German and English version EN ISO 14021:2001 + A1:2011— 58 стр.
Standardization - Part 2: Presentation of documents (ISO/IEC Directives - Part 2:2016, modified); German and English version CEN/CENELEC Internal Regulations - Part 3:2017— 231 стр.