Pirnot, T. L. (2004). Mathematics all around (2nd ed.). Pearson/Addison Wesley.
Dyfyniad Arddull ChicagoPirnot, Thomas L. Mathematics All Around. 2nd ed. Boston: Pearson/Addison Wesley, 2004.
Dyfyniad MLAPirnot, Thomas L. Mathematics All Around. 2nd ed. Pearson/Addison Wesley, 2004.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.