McGraw Hill Education Series. (2014). General Studies for civil Services Preliminary Examination - Paer - II- 2014. McGraw Hill Education (India) Pvt. Ltd.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMcGraw Hill Education Series. General Studies for Civil Services Preliminary Examination - Paer - II- 2014. New Delhi: McGraw Hill Education (India) Pvt. Ltd, 2014.
एमएलए (9वां संस्करण) प्रशस्ति पत्रMcGraw Hill Education Series. General Studies for Civil Services Preliminary Examination - Paer - II- 2014. McGraw Hill Education (India) Pvt. Ltd, 2014.
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