Lewis, N. (1997). The compulsory public services of Roman Egypt (2nd ed.). Firenze: Edizioni Gonnelli.
استشهاد بنمط شيكاغوLewis, Naphtali. The Compulsory Public Services of Roman Egypt. 2nd ed. Firenze: Edizioni Gonnelli, 1997.
MLA استشهادLewis, Naphtali. The Compulsory Public Services of Roman Egypt. 2nd ed. Firenze: Edizioni Gonnelli, 1997.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.