The referencing for the Commentary volume in this recently released work (Quran with Christian Commentary) is different than commentaries for the Bible.  In a biblical commentary I can hover over the reference and get a preview of the verse, but when i do that in this commentary on the Quran, I get a preview of the section in the commentary.  It's self-referencing for most of the links i sampled.  Here's a screen shot to clarify:
