Leithold, L. (1990). The Calculus with analytic geometry (6th ed.). Harper & Row.
Lua i Stíl Chicago (17ú heag.)Leithold, Louise. The Calculus with Analytic Geometry. 6th ed. New York: Harper & Row, 1990.
Lua MLA (9ú heag.)Leithold, Louise. The Calculus with Analytic Geometry. 6th ed. Harper & Row, 1990.
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