WILLIAMS, Bob. Intelligent transport systems standards. Artech House intelligent transportation systems series. Boston: Artech House, ©2008. ISBN 9781596932920. Dostupné také z: https://proxy.k.utb.cz/login?url=https://app.knovel.com/hotlink/toc/id:kpITSS0003/intelligent-transport-systems?kpromoter=marc.