Baradat, L. P., & Phillips, J. A. (2020). Political ideologies: Their origins and impact (Thirteenth edition.). Routledge, Taylor & Francis Group.
Lua i Stíl Chicago (17ú heag.)Baradat, Leon P., agus John A. Phillips. Political Ideologies: Their Origins and Impact. Thirteenth edition. New York: Routledge, Taylor & Francis Group, 2020.
Lua MLA (9ú heag.)Baradat, Leon P., agus John A. Phillips. Political Ideologies: Their Origins and Impact. Thirteenth edition. Routledge, Taylor & Francis Group, 2020.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.