Book Page should have Amazon buttons only?

Hi, I just published my first book ever. YAY! I have on my bookpage only Amazon links since the ebook is KDP Select. I did do expanded distribution with the paperback since that was allowed but I have no idea how to find out where the book is besides Amazon so do I just keep the Buy the Book links going to the Amazon page? I’m assuming Amazon is best because that’s where the audiobook can be found too?

Here’s the book page: