India. Posts and Telegraphs Dept & India. Comptroller and Auditor-General. Appropriation accounts, Posts and Telegraphs. Comptroller and Auditor General of India.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিIndia. Posts and Telegraphs Dept এবং India. Comptroller and Auditor-General. Appropriation Accounts, Posts and Telegraphs. [New Delhi?]: Comptroller and Auditor General of India.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিIndia. Posts and Telegraphs Dept এবং India. Comptroller and Auditor-General. Appropriation Accounts, Posts and Telegraphs. Comptroller and Auditor General of India.
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