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Dyfyniad Arddull ChicagoHolder, Leonard Irvin, James DeFranza, and Jay M. Pasachoff. Multivariable Calculus. 2nd ed. Pacific Grove, Calif: Brooks/Cole, 1994.
Dyfyniad MLAHolder, Leonard Irvin, et al. Multivariable Calculus. 2nd ed. Brooks/Cole, 1994.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.