ISO 14064-3. Greenhouse gases – Part 3: Specification with Guidance at the Validation and Verification of Greenhouse Gas Assertions.
ISO 14064-3 Greenhouse gases – Part 3: Specification with Guidance at the Validation and Verification of Greenhouse Gas Assertions (Парникови газове — Част 3: Спецификация с указания за валидиране и верифициране на твърдения относно парниковите газове).