Lugard, F. J. D. (1970). Political memoranda, revision of instructions to political officers on subjects chiefly political and administrative 1913-1918 (3d ed.). F. Cass.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Lugard, Frederick John Dealtry. Political Memoranda, Revision of Instructions to Political Officers on Subjects Chiefly Political and Administrative 1913-1918. 3d ed. [London]: F. Cass, 1970.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Lugard, Frederick John Dealtry. Political Memoranda, Revision of Instructions to Political Officers on Subjects Chiefly Political and Administrative 1913-1918. 3d ed. F. Cass, 1970.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.