Robinson, H. (1953). Britain's Post Office: A history of development from the beginnings to the present day. Oxford University Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Robinson, Howard. Britain's Post Office: A History of Development from the Beginnings to the Present Day. London: Oxford University Press, 1953.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Robinson, Howard. Britain's Post Office: A History of Development from the Beginnings to the Present Day. Oxford University Press, 1953.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.