Smith, K. J. (1986). Precalculus mathematics: A functional approach (3rd ed.). Brooks/Cole Pub.
Dyfyniad Arddull ChicagoSmith, Karl J. Precalculus Mathematics: A Functional Approach. 3rd ed. Pacific Grove, Calif: Brooks/Cole Pub, 1986.
Dyfyniad MLASmith, Karl J. Precalculus Mathematics: A Functional Approach. 3rd ed. Brooks/Cole Pub, 1986.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.