TIWARI, Shashank - ELROM, Elad - SCHULZE, Charlie. AdvancED Flex 4 [elektronický zdroj]. [New York] : Apress/Friends of Ed, c2010. 1 online zdroj (540 s.). Available on Internet: <http://search.ebscohost.com/login.aspx?direct=true&scope=site&db=nlebk&db=nlabk&AN=373574> ISBN 9781430224846.