Cita APA

American Library Association. (1942). A.L.A. rules for filing catalog cards. Chicago: A.L.A..

Citación estilo Chicago

American Library Association. A.L.A. Rules for Filing Catalog Cards. Chicago: A.L.A., 1942.

Cita MLA

American Library Association. A.L.A. Rules for Filing Catalog Cards. Chicago: A.L.A., 1942.

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