Dyfyniad APA
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.
Dyfyniad Arddull Chicago
American Library Association. Office for Intellectual Freedom, Trina J. Magi, and 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.
Dyfyniad MLA
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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