Skoog, Douglas A. Fundamentals of analytical chemistry / Douglas A. Skoog, Donald M. West, F. James Holler. - 9th Ed. - Belmont, CA : Cengage - Brooks/Cole, 2012. - p. cm. Includes index ISBN: 9780495558286 LCCN: 2012949970 LC Class. No.: QD75.22 / .F96