Zotero will allow you to organise your references and to download book and article references into your Zotero library as you find them, these can then be added to your word document with a cite as you write plugin
You can also use the AIT Harvard reference option on Zotero.
Please note: The newer Mendeley download is called Mendeley Reference Manager; if you download this on a college laptop then download the word plugin through Microsoft Store from this link . To complete the install for the word plugin you will need to login to Office 365, just follow the prompts, and use your college signon.