BluRay requires a special BluRay player and BluRay software. See links below in "Sources".
Cheap DVD player/CD burner (NOT for BluRay) : http://www.amazon.com/Portable-External-CD-RW-Combo-Drive/dp/B0032GU1LW/ref=sr_1_6?ie=UTF8&qid=1364548394&sr=8-6&keywords=external+dvd+drive+mac
Apple SuperDrive for Mac Mini, MacBook Air, Retina MBP (NOT for BluRay) : http://store.apple.com/us/product/MD564ZM/A