Leithold, L. (1990). The Calculus with analytic geometry (6th ed.). Harper & Row.
Cita Chicago (17th ed.)Leithold, Louise. The Calculus with Analytic Geometry. 6th ed. New York: Harper & Row, 1990.
Cita MLA (9th ed.)Leithold, Louise. The Calculus with Analytic Geometry. 6th ed. Harper & Row, 1990.
Atenció: Aquestes cites poden no estar 100% correctes.