1. CFR – Code of Federal Regulations Title 2 volume 2 21CFR133.3.https://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfcfr/CFRSearch.cfm?fr=133.3
2. CAC/RCP 57–2004. Codex Alimentarius Milk and Milk Products. CODEX STAN 243‐2003.http://www.fao.org/3/i2085e/i2085e00.pdf
3. Court of Justice of the European Union PRESS RELEASE No 63/17 Luxembourg 14 June 2017.https://curia.europa.eu/jcms/upload/docs/application/pdf/2017‐06/cp170063en.pdf