aking this benefit, you can research for information and links to add in your article. The purpose of including external sources is to authenticate the value of content which you have arranged in your article.
Other authors who have stated and provided relevant content in agreement with what you are stating will strengthen your content and will reach wide audience.
When you include a source or link in your article, it helps in link building and it will bring more traffic. Taking research to the relevant topic you are working on and including at least five or more sources will bring more success to the article. In fact this is most recommended by many Internet experts to gain more online presence.
Collect the recent or latest published articles which will improve your effort to bring quick and rapid response from readers.
This is a part of marketing effort to be able to provide the latest industry trends and convey knowledge to the reader. But this is definitely a valid effort that assures success.
How to cite sources and not steal people's content on the web
How to focus on needs and examples in article