Narayanan, P. (2018). Patent Drafting & Specification Writing (4th.). Eastern Law House.
Chicago-viite (17. p.)Narayanan, P. Patent Drafting & Specification Writing. 4th. Eastern Law House, 2018.
MLA-viite (9. p.)Narayanan, P. Patent Drafting & Specification Writing. 4th. Eastern Law House, 2018.
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