Cita APA (7th ed.)

Castellances, E. D. (1975). Patentable inventions and designs and rights of the patentee under the patent law [microform]. Photoduplication Service, University of the Philippines Library.

Cita Chicago (17th ed.)

Castellances, Emilio D. Patentable Inventions and Designs and Rights of the Patentee Under the Patent Law [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1975.

Cita MLA (9th ed.)

Castellances, Emilio D. Patentable Inventions and Designs and Rights of the Patentee Under the Patent Law [microform]. Photoduplication Service, University of the Philippines Library, 1975.