SALA, S. L., HILLE, E., & ANDERSON, J. T. (1986). CAlculus: One and several variables with analytic trigonometry.-- Ed.5. John Willey and Sons.

SALA, Saturnino L., Einar HILLE, and John T. ANDERSON. CAlculus: One and Several Variables with Analytic Trigonometry.-- Ed.5. New York: John Willey and Sons, 1986.

SALA, Saturnino L., et al. CAlculus: One and Several Variables with Analytic Trigonometry.-- Ed.5. John Willey and Sons, 1986.