APA (7th ed.) Citation

Philippines (Republic) Laws, statutes, etc, & Isidro, R. V. (1972). Philippine labor laws. National Book Store.

Chicago Style (17th ed.) Citation

Philippines (Republic) Laws, statutes, etc, and Romeo V. Isidro. Philippine Labor Laws. [Manila: National Book Store, 1972.

MLA (9th ed.) Citation

Philippines (Republic) Laws, statutes, etc, and Romeo V. Isidro. Philippine Labor Laws. National Book Store, 1972.