Great Britain & Great Britain. Office of Commonwealth Relations. (1961). Public officers' agreement between the government of Sierra Leone and the government of the United Kingdom. H.M.S.O..
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Great Britain و Great Britain. Office of Commonwealth Relations. Public Officers' Agreement Between the Government of Sierra Leone and the Government of the United Kingdom. London: H.M.S.O., 1961.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Great Britain و Great Britain. Office of Commonwealth Relations. Public Officers' Agreement Between the Government of Sierra Leone and the Government of the United Kingdom. H.M.S.O., 1961.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.