APA (7th ed.) Citation

Sanchez, C. A., & Agpaoa, F. A. B. (1979). Contemporary social problems and issues: Focus on the Philippines. National Book Store.

Chicago Style (17th ed.) Citation

Sanchez, Custodiosa Ancheta, and Fe A. Barbado Agpaoa. Contemporary Social Problems and Issues: Focus on the Philippines. Manila: National Book Store, 1979.

MLA (9th ed.) Citation

Sanchez, Custodiosa Ancheta, and Fe A. Barbado Agpaoa. Contemporary Social Problems and Issues: Focus on the Philippines. National Book Store, 1979.