Cita APA (7th ed.)

Flores, T. S., Gonzales, E. B., & Yangco, G. B. (1994). Effective living today 4. Phoenix Pub. House.

Cita Chicago (17th ed.)

Flores, Trinidad Sabas, Eva B. Gonzales, i Gilbert B. Yangco. Effective Living Today 4. Quezon City: Phoenix Pub. House, 1994.

Cita MLA (9th ed.)

Flores, Trinidad Sabas, et al. Effective Living Today 4. Phoenix Pub. House, 1994.