India. Posts and Telegraphs Dept. (1969). The annual report of the activities of the Posts & Telegraphs Department. Manager, Government of India Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)India. Posts and Telegraphs Dept. The Annual Report of the Activities of the Posts & Telegraphs Department. Faridabad: Manager, Government of India Press, 1969.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)India. Posts and Telegraphs Dept. The Annual Report of the Activities of the Posts & Telegraphs Department. Manager, Government of India Press, 1969.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.