APA (7th ed.) Citation

Ymas, S. E., Timpug, V. G., & Callueng, F. T. (2003). Business mathematics with recreational mathematics. Ymas Publishing House.

Chicago Style (17th ed.) Citation

Ymas, Sergio E., Virginia G. Timpug, and Ferdinand T. Callueng. Business Mathematics with Recreational Mathematics. Manila: Ymas Publishing House, 2003.

MLA (9th ed.) Citation

Ymas, Sergio E., et al. Business Mathematics with Recreational Mathematics. Ymas Publishing House, 2003.