Willis, F. (1920). Report on the Work undertaken by the British Government in the Reception and Care of the Belgian Refugees. London: His Majesty's Stationery Office.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Willis, F.J. Report on the Work Undertaken by the British Government in the Reception and Care of the Belgian Refugees. London: His Majesty's Stationery Office, 1920.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Willis, F.J. Report on the Work Undertaken by the British Government in the Reception and Care of the Belgian Refugees. London: His Majesty's Stationery Office, 1920.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.