South Korean edition. Another cover shot without the (ZA)-part in the catalog number on the front can be found online. That may be pre-release art and not a scan of an existing item, or a difference between the copies sold in the Wii Zapper box and those sold alone. So far I have only seen actual games with the (ZA)-part included.
1. Front
2. Back
Thanks to GameTDB (images 1-2).