APA (7th ed.) Citation

Philippines & National Book Store. Editorial Staff. (1977). Export laws of the Philippines (Rev. ed.). National Book Store.

Chicago Style (17th ed.) Citation

Philippines and National Book Store. Editorial Staff. Export Laws of the Philippines. Rev. ed. [Manila]: National Book Store, 1977.

MLA (9th ed.) Citation

Philippines and National Book Store. Editorial Staff. Export Laws of the Philippines. Rev. ed. National Book Store, 1977.