Final answer:
Books and articles by political scientists and academics are examples of peer-reviewed academic publications, which undergo rigorous scrutiny and are essential for in-depth research in academic studies.
Step-by-step explanation:
Books and articles written by political scientists and other academics or political practitioners are good examples of peer-reviewed academic publications. These scholarly works reflect rigorous research and scrutiny by experts in the field and must pass through a rigorous peer review process to be published. Peer-reviewed academic sources can include textbooks, essays, journals, articles, reports, and scholarly books and are most often sponsored or supported by academic institutions or academic associations. For relevant research, combining both primary and secondary sources is recommended to provide comprehensive insights into historical events, political thoughts, or academic studies.