Check out few examples:
- On my twitter page I post updates about my site.
- On my twitter page I post updates about my site. To see my twitter page, click here.
- China is the most populated country at the moment.
- China is the most populated country at the moment. For the source, please visit: http://en.wikipedia.org/wiki/List_of_countries_by_population
They basically give the same idea.
The first example is more natural and requires very little knowledge.
The second one suggests a user doesn’t know that links are clickable. It is like printing ‘turn the page to continue reading’ on the bottom of a page. That actually distracts the reader.
Now you know.