READ THE SOURCE IN ITS ENTIRETY
TAKE DETAILED NOTES AS YOU READ
RETURN TO YOUR NOTES LATER
CONSULT WITH THE EXPERTS
Self-plagiarism is possible and it's just as serious.
Self-plagiarism, or "double-dipping," is deception and goes against the core principles of ethical writing. Papers are assigned for you to demonstrate what you have learned in a particular class. If you reuse a paper you wrote for a previous class, you are not demonstrating new learning.
Examples of self-plagiarism: