APA (7th ed.) Citation

Sanchez, C. A., & Agpaoa, F. A. B. (1987). Contemporary social problems and issues (Revised edition.). National Book Store.

Chicago Style (17th ed.) Citation

Sanchez, Custodiosa Ancheta, and Fe A. Barbado Agpaoa. Contemporary Social Problems and Issues. Revised edition. Metro Manila: National Book Store, 1987.

MLA (9th ed.) Citation

Sanchez, Custodiosa Ancheta, and Fe A. Barbado Agpaoa. Contemporary Social Problems and Issues. Revised edition. National Book Store, 1987.

Warning: These citations may not always be 100% accurate.