unauthorized charges with inability to find

I have multiple $1.08 charges from Apple, actually on more than one of my credit card's. I can find nowhere that I made these charges. If they are valid I just need to see what they are for, but if not they need to be removed and credits received but I don't know how to get that information since they aren't showing up on my iTunes account. Do I need to call Apple, or what is my best avenue for easy resolution?