WHAT IS A CREDIBLE SOURCE? A credible source is a piece of information which is written by a reliable author who is educated in that particular field, and is backed up with sufficent evidence to support the topic of study.
How do use a credible source? You use credible sources by implementing it into your work and allowing the sources to be a source of evidence to further back up and prove your points and arguments.
WHY DO YOU USE A CREDIBLE SOURCE? You use credible sources because the reliability of the educated author and the information they use will become a convincing aspect of your work, especially in controversial situations. This will help build your work to be a more influential and convincing, allowing you to get your point across sucessfully.