Georgia Sotiriou Voula Sitiriou Elizabeth Waud Matths methods print - 6th ed. - nju John Wiley & Sons, Inc. 2008 - xix, 475 p. : ill. 28 cm. xix, 475 p. : ill. ; 28 cm. Mary M. Hatfield ... [et al.]. ISBN: 9780470136294 (pbk.)