Check your work!
Clarity and Style
While Turnitin is the industry leader in plagiarism detection, it is expensive. Free checkers are available but I recommend checking work in more than one to be thorough. I use http://smallseotools.com/plagiarism-checker/ and http://www.quetext.com/. You can also compare two texts at http://www.copyscape.com/compare.php. Most of these are just automated Google searchers.
Generally I avoid using https://www.grammarly.com/plagiarism-checker because it’s always been quite painful to use in practice and it requires login.
There are many online bibliography generators but Cite This For Me is the best. I do encourage senior students to use Word’s referencing functions, however, to prepare them for university. http://citethisforme.com.