Leithold,Louis. (1978). Essentials of calculus for business and economics. Harper and Row.
Dyfyniad Arddull ChicagoLeithold,Louis. Essentials of Calculus for Business and Economics. New York: Harper and Row, 1978.
Dyfyniad MLALeithold,Louis. Essentials of Calculus for Business and Economics. Harper and Row, 1978.
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