↑Nanda, Ved P. (1996). Folsom, Ralph Haughwout; Lake, Ralph B. (ed.). European Union law after Maastricht: a practical guide for lawyers outside the common market. The Hague: Kluwer. hlm.5. The Union has two primary types of legislative acts, directives and regulations
↑Christine Fretten; Vaughne Miller (2005-07-21). "The European Union: a guide to terminology procedures and sources"(PDF) (Document). UK House Of Commons Library, International Affairs and Defence Section. hlm.8. Standard Note: SN/IA/3689. Diarsipkan dari asli(pdf) tanggal 2010-06-12. Diakses tanggal 2009-09-03. Both the Council of Ministers and the Commission are empowered under the EC Treaty to make laws.; ; ; ; ;
↑Steiner, Josephine; Woods, Lorna; Twigg-Flesner, Christian (2006). EU Law (Edisi 9th). Oxford: Oxford University Press. hlm.56–60. ISBN978-0-19-927959-3.