APA (7th ed.) Citation

Colayco, F. J., & Valderrama, H. S. (2005). Pera palaguin workbook: Practicing what you learned. Colayco Foundation For Education.

Chicago Style (17th ed.) Citation

Colayco, Francisco J., and Helen S. Valderrama. Pera Palaguin Workbook: Practicing What You Learned. [Manila]: Colayco Foundation For Education, 2005.

MLA (9th ed.) Citation

Colayco, Francisco J., and Helen S. Valderrama. Pera Palaguin Workbook: Practicing What You Learned. Colayco Foundation For Education, 2005.