Singh , A. (1990). Principles Of The Law OF Evidence. central law agency.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSingh , Avtar. Principles Of The Law OF Evidence. Allahabad: central law agency, 1990.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSingh , Avtar. Principles Of The Law OF Evidence. central law agency, 1990.
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