Referring document/article/journal, tracking changes in references and creating bibliography at the end in MS Word used to be quite tedious and cumbersome . However now it is quite easy and can be done quickly with few clicks in your journal paper/report/thesis. No need to type Paper title, Author name, journal name, date etc for document which you want to refer. Mendeley is the best plugin that you can use to import paper through web/file, and gets integrated with MS Word quite easily Video showing this amazing way to insert reference in word