Some sources will include full-text, but others will include the button which links to full-text when available and if not available, gives you the option to request articles for free through Interlibrary Loan's ILLiad service.
Freely available online. Use this link to search Google Scholar with SLU full-text options. Look for the "Find It @ SLU" link.
On-campus, “Find It @ SLU” links will appear automatically.
Off-campus, set up your Google Scholar Preferences using the steps found under “Additional Info” below.
To see the Find It @ SLU link when searching Google Scholar off-campus:
If you're looking specifically for books and ebooks, your best bet is to use the SLU Libraries' Catalog.
Look for books published by university presses and scholarly associations, written by authors with degrees and credentials in the field. Scholarly or academic books will also cite their sources and will have a lengthy list of references.