APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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