Watching out for unreliable sources in the course of your research involves an element of critical thinking.
This guide contains lots of tips for critically evaluating journal papers. We hope you will find it useful.
Let's start by listing the Standards or ABC's of Information Evaluation* 
We will now look at each of these Standards in turn.
* Adapted from Kathyrn Schrock (2002) ABCs of website evaluation.
The Library, Technological University of the Shannon: Midwest