It is well known that for simplyconnected rational spaces, every suspension splits as a wedge of rational spheres and every loop space splits as a product of rational EilenbergMac Lane spaces.
What are the best/original references for this?
It is well known that for simplyconnected rational spaces, every suspension splits as a wedge of rational spheres and every loop space splits as a product of rational EilenbergMac Lane spaces. What are the best/original references for this? 

