Ward, C. O. (1910). A history of the ancient working people from the earliest known period to the adoption of Christianity by Constantine. Kerr.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Ward, Cyrenus Osborne. A History of the Ancient Working People from the Earliest Known Period to the Adoption of Christianity by Constantine. Chicago: Kerr, 1910.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Ward, Cyrenus Osborne. A History of the Ancient Working People from the Earliest Known Period to the Adoption of Christianity by Constantine. Kerr, 1910.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.