A credible peer-review source is from a source that isn't biased, or is not related to you. It is best to find someone who isn't one of your friends. Since they are credible, the source should be verified that they know what they are talking about as well. I hope this makes sense.
Rereading difficult passages many times AND looking up each unfamiliar word in a dictionary
It doesn't matter just read it cuh
The proper punctuation of the above sentence is:
Should states require adolescents to be eighteen before obtaining a driver's license?