Gopalakrishnan, N. (2014). Principles of Intellectual Property (2nd edition.). Eastern Book Company.
Chicago-čujuhus (17. p.)Gopalakrishnan, N.S. Principles of Intellectual Property. 2nd edition. Greater Noida: Eastern Book Company, 2014.
MLA-čujuhus (9. p.)Gopalakrishnan, N.S. Principles of Intellectual Property. 2nd edition. Eastern Book Company, 2014.
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