APA (7th ed.) Citation

Philippines. Patent Office & Philippines. (1979). Revised [sic] rules of practice, Philippines Patent Office, trademark cases. Govt. Print. Off.

Chicago Style (17th ed.) Citation

Philippines. Patent Office and Philippines. Revised [sic] Rules of Practice, Philippines Patent Office, Trademark Cases. Manila: Govt. Print. Off, 1979.

MLA (9th ed.) Citation

Philippines. Patent Office and Philippines. Revised [sic] Rules of Practice, Philippines Patent Office, Trademark Cases. Govt. Print. Off, 1979.