The terms "refereed" and "peer reviewed" mean essentially the same thing. In The Oxford English Dictionary, "peer review" is defined as the process by which a learned journal passes a paper received for publication to outside experts for their comments on its suitability and worth; refereeing.
To identify scholarly journals which are refereed:
Some of the databases which allow you to limit your search to refereed or peer reviewed journals are:
You may find that most or all of the journals included in a particular database are scholarly, refereed journals, so that proper selection of the database may automatically eliminate the less scholarly sources. A few examples are:
Last modified: November 13, 2001
http://pegasus.cc.ucf.edu/~rgause/misc/refereed.htm