Dyfyniad APA

Sapalo, I. S. (1992). Philippine law on patents, trademarks and copyright (Background reading material on intellectual property, Philippine National Supplement) (Advanced ed.). World Intellectual Property Organization.

Dyfyniad Arddull Chicago

Sapalo, Ignacio S. Philippine Law on Patents, Trademarks and Copyright (Background Reading Material on Intellectual Property, Philippine National Supplement). Advanced ed. [s.l.]: World Intellectual Property Organization, 1992.

Dyfyniad MLA

Sapalo, Ignacio S. Philippine Law on Patents, Trademarks and Copyright (Background Reading Material on Intellectual Property, Philippine National Supplement). Advanced ed. World Intellectual Property Organization, 1992.

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