Dyfyniad APA
Ibn Khaldūn, Khoury, J., & Khoury, A. B. (1958). Os prolegômenos ou filosofia social. Editora Comercial Safady.
Dyfyniad Arddull Chicago
Ibn Khaldūn, José Khoury, and Angelina Bierrenbach Khoury. Os Prolegômenos Ou Filosofia Social. São Paulo: Editora Comercial Safady, 1958.
Dyfyniad MLA
Ibn Khaldūn, et al. Os Prolegômenos Ou Filosofia Social. Editora Comercial Safady, 1958.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.