Thomas, G. B. (1968). Calculus and analytic geometry (4a. ed.). Addison-Wesley.
Cita Chicago (17th ed.)Thomas, George Brinton. Calculus and Analytic Geometry. 4a. ed. Reading: Addison-Wesley, 1968.
Cita MLA (9th ed.)Thomas, George Brinton. Calculus and Analytic Geometry. 4a. ed. Addison-Wesley, 1968.
Atenció: Aquestes cites poden no estar 100% correctes.