Soman, K. (2022). Sandarbh Margdarshak Pustika Disha Drushti anni Chaukat: General Studies Paper 4 of the UPSC Civil Services Examination Ethics, Integrity & Aptitude. Goyal Prakashan.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSoman, Kamlesh. Sandarbh Margdarshak Pustika Disha Drushti Anni Chaukat: General Studies Paper 4 of the UPSC Civil Services Examination Ethics, Integrity & Aptitude. Pune: Goyal Prakashan, 2022.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSoman, Kamlesh. Sandarbh Margdarshak Pustika Disha Drushti Anni Chaukat: General Studies Paper 4 of the UPSC Civil Services Examination Ethics, Integrity & Aptitude. Goyal Prakashan, 2022.
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