AC theory / NJATC. - 2nd ed. - Clifton Park, NY : Delmar Cengage Learning, c2009. - xii, 354 p. : ill. (some col.) ; 29 cm. Includes index. ISBN: 1418073431 (hbk. : alk. paper) 9781418073435 (hbk. : alk. paper) Subjects--Topical Terms: Electric circuits--Alternating current.