Silas works in a field of economics that is constantly changing. He recently read about two studies that completely reversed what researchers had previously believed about social behavior. He immediately sends an email to his co-worker summarizing the articles and explaining how they may need to adjust their current project. How should Silas attribute his work in his email?

a. He could provide links to the articles he read and summarized.

b. He doesn't need to attribute sources in an email.