Ellis, R. (1986). Calculus with analytic geometry (3ª ed.). Harcourt Brace Jovanovich.
Cita Chicago (17th ed.)Ellis, Robert. Calculus with Analytic Geometry. 3ª ed. Harcourt Brace Jovanovich, 1986.
Cita MLA (9th ed.)Ellis, Robert. Calculus with Analytic Geometry. 3ª ed. Harcourt Brace Jovanovich, 1986.
Atenció: Aquestes cites poden no estar 100% correctes.