Verterra, R. T. F., & Gillesania, D. I. T. (2007). Simplified differential calculus. Gillesania Engineering Review & Training Center].
Cita Chicago (17th ed.)Verterra, Romel Tarcelo F., i Diego Inocencio T. Gillesania. Simplified Differential Calculus. [Cebu City: Gillesania Engineering Review & Training Center], 2007.
Cita MLA (9th ed.)Verterra, Romel Tarcelo F., i Diego Inocencio T. Gillesania. Simplified Differential Calculus. Gillesania Engineering Review & Training Center], 2007.
Atenció: Aquestes cites poden no estar 100% correctes.