Sapalo, I. S. (1994). Background reading material on the intellectual property system of the Philippines (Rev. ed. 1994.). World Intellectual Property Organization.
Citación estilo ChicagoSapalo, Ignacio S. Background Reading Material on the Intellectual Property System of the Philippines. Rev. ed. 1994. Geneva: World Intellectual Property Organization, 1994.
Cita MLASapalo, Ignacio S. Background Reading Material on the Intellectual Property System of the Philippines. Rev. ed. 1994. World Intellectual Property Organization, 1994.
Warning: These citations may not always be 100% accurate.