Professional Book Publishers. (2019). Copyright Act 1957 along with Copyright Rules, 2013 & International Copyright Order, 1999. Professional Book Publishers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रProfessional Book Publishers. Copyright Act 1957 Along with Copyright Rules, 2013 & International Copyright Order, 1999. Delhi: Professional Book Publishers, 2019.
एमएलए (9वां संस्करण) प्रशस्ति पत्रProfessional Book Publishers. Copyright Act 1957 Along with Copyright Rules, 2013 & International Copyright Order, 1999. Professional Book Publishers, 2019.
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