Reddit mentions of Complete Kickboxing: The Fighter's Ultimate Guide to Techniques, Concepts, and Strategy for Sparring and Competition

In general compound exercises will do a good job of hitting what you need.

Don't neglect squats and split squats to increase your leg power. Remember or look up the physics behind punching and kicking, something I find is very well explained in Complete Kickboxing

Personally I found that after I started adding split squats in my routine my kicking and punching power increased dramaticly. (I had allready developped a reasonable technique before)

Between sets you should rest and hydrate, your muscles need to recover. If you really want to "maximize" the usefulness, read something related to what interests you, whether this is purely mma or sports, or biochemistry.