Use bold headers for book-verse combinations, and then bulleted lists for those following them. Bold headers quickly follow the same font size of the content, making it easier to transition between the two. Using a simple transition of bold to bulleted is easier to remember than the heading types.
If there is more content that follows that is not a small note, then create another entry with the same verse number.
Here's more commentary on this verse, that would follow.
And it would probably have more than one paragraph, too.
New sections can begin with a level 4 heading.