Ulrichsweb is a directory of periodicals from throughout the world, providing details such as contact info, circulation statistics, and the type of periodical (will indicate if scholarly and/or "refereed"--aka peer-reviewed)

Use Ulrich's Periodical Directory (Ulrichsweb) to find out 

• if an article is from a peer-reviewed (refereed) journal
• if this article (journal) is popular or scholarly
• general information about magazine or journal

This is the symbol that tells you a journal is peer reviewed in Ulrichsweb: