ISBN 0252724216 books & textbook
Four Theories of the Press: The Authoritarian, Libertarian, Social Responsibility and Soviet Communist Concepts of What the Press Should Be and Do (Illini Books)
Fred S. Siebert Theodore Peterson Wilbur Schramm
University of Illinois Press /1963-10-01 Paperback / 168 Pages
isbn-10: 0252724216 / isbn-13: 9780252724213
