Lua APA (7ú heag.)
Ibn Khaldūn, Khoury, J., & Khoury, A. B. (1958). Os prolegômenos ou filosofia social. Editora Comercial Safady.
Lua i Stíl Chicago (17ú heag.)
Ibn Khaldūn, José Khoury, agus Angelina Bierrenbach Khoury. Os Prolegômenos Ou Filosofia Social. São Paulo: Editora Comercial Safady, 1958.
Lua MLA (9ú heag.)
Ibn Khaldūn, et al. Os Prolegômenos Ou Filosofia Social. Editora Comercial Safady, 1958.
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