National Library of the Philippines. Impact stories: A publication for library and information services month (Librarian edition.).
Chicagoスタイル(17版)引用形式National Library of the Philippines. Impact Stories: A Publication for Library and Information Services Month. Librarian edition.
MLA(9版)引用形式National Library of the Philippines. Impact Stories: A Publication for Library and Information Services Month. Librarian edition.
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