Barker, R. E. Copyright and reprographic reproduction: International copyright and copyright in developing countries.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBarker, Ronald Ernest. Copyright and Reprographic Reproduction: International Copyright and Copyright in Developing Countries.
एमएलए (9वां संस्करण) प्रशस्ति पत्रBarker, Ronald Ernest. Copyright and Reprographic Reproduction: International Copyright and Copyright in Developing Countries.
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