APA (7th ed.) Zitazioa
American Library Association. Office for Intellectual Freedom, Magi, T. J., & Garnar, M. (2015). A history of ALA policy on intellectual freedom: A supplement to The intellectual freedom manual, ninth edition. ALA Editions, an imprint of the American Library Association.
Chicago Style (17th ed.) Zitazioa
American Library Association. Office for Intellectual Freedom, Trina J. Magi, eta Martin Garnar. A History of ALA Policy on Intellectual Freedom: A Supplement to The Intellectual Freedom Manual, Ninth Edition. Chicago: ALA Editions, an imprint of the American Library Association, 2015.
MLA (9th ed.) Zitazioa
American Library Association. Office for Intellectual Freedom, et al. A History of ALA Policy on Intellectual Freedom: A Supplement to The Intellectual Freedom Manual, Ninth Edition. ALA Editions, an imprint of the American Library Association, 2015.
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