Research is as credible as the work that goes into it! It's important to analyze the information you find, including where it comes from.
While a magazine or journal article database lists results from sources known to be reputable/scholarly, finding material via Google requires additional evaluation on your part.
guide on evaluating web sites
Properly citing sources is an important part of your research. It allows you to avoid plagiarism and highlights your engagement with related scholarship.
In a nutshell: "Whenever you quote or base your ideas on another person's work, you must document the source you used. Even when you do not quote directly from another work...."
The above extract is taken from the Library's guide on citing sources. The guide gives an overview of this topic and links to formatting rules for the major citation styles.Read more