Disha Publication Inc. (2025). 12 Varshvaar UPSC Civil Services IAS Mains Samanya Adhyayan Previous Year Solved Papers 1 to 4 (2024-2013) (6th ed.). Disha Publication Inc..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDisha Publication Inc. 12 Varshvaar UPSC Civil Services IAS Mains Samanya Adhyayan Previous Year Solved Papers 1 to 4 (2024-2013). 6th ed. New Delhi: Disha Publication Inc., 2025.
एमएलए (9वां संस्करण) प्रशस्ति पत्रDisha Publication Inc. 12 Varshvaar UPSC Civil Services IAS Mains Samanya Adhyayan Previous Year Solved Papers 1 to 4 (2024-2013). 6th ed. Disha Publication Inc., 2025.
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