Purcell, E. J. (1965). Calculus and analytic geometry. New York: Appleton-Century-Crofts.
Trích dẫn kiểu ChicagoPurcell, Edwin J. Calculus and Analytic Geometry. New York: Appleton-Century-Crofts, 1965.
Deismireacht MLAPurcell, Edwin J. Calculus and Analytic Geometry. New York: Appleton-Century-Crofts, 1965.
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