National Library of the Philippines. Impact stories: A publication for library and information services month (Librarian edition.).
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNational Library of the Philippines. Impact Stories: A Publication for Library and Information Services Month. Librarian edition.
एमएलए (9वां संस्करण) प्रशस्ति पत्रNational Library of the Philippines. Impact Stories: A Publication for Library and Information Services Month. Librarian edition.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.