If you're in high school or enrolled in college or at a university:
Academic sources are important because they show research and proof of validation that the source is reliable. Better yet: https://nmsu.libguides.com/sources/types
By the way: NO, "Mailchimp" is not a reliable source.
Neither is Wikipedia.
Types of Sources
Scholarly publications (Journals)
Popular sources (News and Magazines)
Professional/Trade sources.
Books / Book Chapters.
Conference proceedings.
Government Documents.
Theses & Dissertations
books and encyclopedias.
websites, web pages, and blogs.
magazine, journal, and newspaper articles.
research reports and conference papers.
interviews and surveys.
photographs, paintings, cartoons, and other artworks.
TV and radio programs, podcasts, movies, and videos.
