Parkinson, Michael G. Public relations law : a supplemental text / Michael G. Parkinson, L. Marie Parkinson. - New York : Routledge, 2008. - xxi, 161 p. : forms ; 24 cm. - LEA's communication series. . - LEA's communication series. . Includes bibliographical references and index. ISBN: 9780805849745 (pbk) 9780415988636 (hbk) RM289.75 Subjects--Topical Terms: Public relations and law--United States.