Goffman, C. (1965). Calculus of several variables. Harper and Row.
Dyfyniad Arddull ChicagoGoffman, Casper. Calculus of Several Variables. New York: Harper and Row, 1965.
Dyfyniad MLAGoffman, Casper. Calculus of Several Variables. Harper and Row, 1965.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.