APA (7th ed.) Citation

Verterra, R. T. F., & Gillesania, D. I. T. (2007). Simplified differential calculus. Gillesania Engineering Review & Training Center].

Chicago Style (17th ed.) Citation

Verterra, Romel Tarcelo F., and Diego Inocencio T. Gillesania. Simplified Differential Calculus. [Cebu City: Gillesania Engineering Review & Training Center], 2007.

MLA (9th ed.) Citation

Verterra, Romel Tarcelo F., and Diego Inocencio T. Gillesania. Simplified Differential Calculus. Gillesania Engineering Review & Training Center], 2007.